ALPA G., Protection of Consumer Against Unifair Contract Terms: Legislative Patterns of Controlling Adhesion Contracts in Europe, in 15 Willamette L.Rev. 267.
ALPA G., Product Liability and Safety Regulations in Italy. Some Recent Developments, in 6 Journal of Consumer Policy, 483.
ALPA G., L'avenir du contrat: aperçu d'une recherche bibliographique, extrait de la Revue Internationale de Droit Comparé, Paris, 1985, 1.
ALPA G., La responsabilité civile en Italie: Problémes et perspectives, extrait de la Revue Internationale de Droit Comparé, Paris, 1986, 4.
ALPA G., Rapport italien, Les nouveaux moyens de reproduction, , Travaux de l'Association Henri Capitant des amis de la culture juridique française, Journées néerlandaises, Tome XXXVII, 1986.
ALPA G., Le contrat "individuel" et sa définition, extrait de la Revue Internationale de Droit Comparé, Paris, 1988, 2.
ALPA G., Droit italien, Les clauses limitatives ou exonératoires de responsabilité en Europe, Actes du Colloque des 13 et 14 décembre 1990, Centre de Droit des Obligations de l'Université de Paris I.
ALPA G., Precontractual liability, estratto dal volume, Rapports Nationaux Italiens, au XIII° Congrés International de Droit Comparé, Italian National Reports, to the XXXth International Congress of Comparative Law, Montreal 1990, Giuffrè, 1990.
ALPA G., Le nouveau régime juridique de la responsabilité du producteur en Italie et l'adaptation de la Directive communautaire, extrait de la Revue Internationale de Droit Comparé, Paris, 1991, 1.
ALPA G., La actuaciòn de la Directiva comunitaria sobre la responsabilidad del productor, publicat en la "Revista Juridica de Catalunya" num. 2 - 1991.
ALPA G., Assurances de responsabilité professionnelle, Centro de Estudios Criminològicos, Universidad de La Laguna, 1993.
ALPA G., L'assurance de responsabilité civile du professionnel en droit italien, extrait de la Revue Internationale de Droit Comparé, Paris, 1993, 1.
ALPA G., La circulation des modèles de résolution extrajudiciaire des conflits, extrait de la Revue Internationale de Droit Comparé, Paris, 1993, 4.
ALPA G., Unjust damage and the Role of negligence: Historical profile, Reprinted from Tulane European & Civil Law Forum, vol. 9, 1994.
ALPA G., General Principles of Law, European Legal Traditions and Israel, edited by A. Mordechai Rabello, The Harry and Michael Sacher Institute for Legislative Research and Comparative Law The Hebrew University of Jerusalem, Jerusalem, 1994-5754.
ALPA G., Rapport italien, La tutelle du contractant faible dans l'expérience italienne, L'endettement, Travaux de l'Association Henri Capitant, Journées Argentines, Tome XLVI/1995.
ALPA G., 1995-2025 Cent anys de Dret Civil, Publicat a la "Revista Juridica de Catalunya" Nùmero extraordinari.
ALPA G., The implementation of the EC directive on unfair contract terms in Italy, European Review of Private Law 2: 181-184, 1997.
ALPA G. and DASSIO M., Les contrats de consommateurs et les modifications du code civil italien, extrait de la Revue Internationale de Droit Comparé, Paris, 1997, 3.
ALPA G., The accordance and unification of contract law, In Rapports nationaux italiens, Bristol, Giuffrè, 1998
ALPA G., Implementation of the EC Directive on Unfair Contract terms (93/13) in Italy, the United Kingdom and France, and its Effects on European Contract Law, The Unification of International Commercial Law: Tilburg lectures/Franco Ferrari (ed.) - 1. Aufl., Baden -Baden: Nomos Verl.-Ges., 1998.
ALPA G., (omissis), Rapports nationaux italians/italian national reports (an XV congres international congress of comparative law - Bristol 1998), Giuffrè, Milano, 1998, pag. IX-672.
ALPA G., The protection of privacy in italian law, The Clifford change lectures, vol. IV, Oxford univ.Press, 1999.
ALPA G., The Constitutionalisation of private law, Research prepared for the institute of European and Comparative Law, Oxford, 1999.
ALPA G., European community resolutions and the codification of “private law”, Tulane law rev., 1999.
ALPA G., The rights consumers in the treaty, Report for Department of Enterprise, 1999.
ALPA G., Foreign Law in International Legal Practice: An Italian Perspective, in Texas international Law Journal, 2001, n.3
ALPA G., Trading on line and the protection of the Consumer, in Kluwer Law International, 2002
ALPA G., The British Contribution to Italian legal Thinking, in The British Contribution to the Europe of the Twenty-First century, edited by B. Markesinis, 2002
ALPA G., Mergers: Remedies and Freedom of Contract, in EBLR 2004
ALPA G., The harmonisation of EC Law of Financial markets in the Perspective of Consumer Protection, in EBLR, 2004
ALPA G., Rules on Competition and Fair Trading, in H. Collins (ed.) The Forthcoming EC Directive on Unfair and Commercial practices, 91-110, Kluwer Law International, 2004
ALPA G., Harmonisation of Contract Law and the Plan for a European Civil Code, in EBLR, 2004
ALPA, A Glance at Unfair Terms in Italy and the United Kingdom, in EBLR, 2004
ALPA, Commercial contracts: Freedom, Practice and rules in Italia Law, in EBLR, 2005
ALPA; Le code civil et l’Italie, in Revue Inter. de droit comparè, n.3 2005
ALPA, New perspectives in the Protection of Consumers : A general Overview and some criticism on Financial Services, in EBLR, 2005
ALPA, The Administration of justice and the Role of Lawyers, in EBLR, vol. 17, n. 4, 2006
ALPA, Basil Markesinis, Comparative law in the Courtroom and Classroom, Book Reviews, G. Alpa, in ICLQ, vol. 55, part 2, 2006
ALPA, Notes on transparency in Banking and Financial Services and Transaction, in EBLR, 1, 2007
ALPA, Le code de commerce et l’Italie: quelques réflexions sur l’histoire et les perspectives du droit commercial, in Rev. int. de droit compare, 2/2007
ALPA, Autonomie des parties et libertè contractuelle, aujourd’hui , in Revue des contrats, avril 2009
ALPA, Towards a European Contract Law, in Towards a European Contract Law Edited by Reiner Schulze, Jules Stuyck, Sellier, 2011
ALPA, Gli obblighi informativi precontrattuali nei contratti di investimento finanziario. Per l’armonizzazione dei modelli regolatori e per l’uniformazione delle regole di diritto comune, in Leçons du Droit Civil. Mélanges en l’honneur de François Chabas, Bruylant, 2011
ALPA, The Common Frame of Reference and the Europeanization of the Private Law, in Liber Amicorum Mário Frota, A causa dos direitos dos consumidores, Almedina, 2011
ALPA, Réflexions sur le dommage contractual. Philologie, conceptualisme et problems d’harmonisation du droit, in Revue intern. de droit compare, n. 4, 2011
ALPA, Cesl, Fundamental Rights, General Principles, Rules of Contract Law, in Diritto del commercio internazionale, fasc.4, 2012
ALPA, Les principles directeurs dans les avant-projets de réforme européens, in Revue des contrats, 1, 2013
ALPA, Autonomie des parties et choix d’une loi étrangère applicable au contrat “national”, in Rev. intern. De droit compare, n.1, 2014
ALPA, Réflexions sur le projet français de réforme du droit des contrats, in Revue international de droit compare, n. 4, 2015
ALPA, European Private Law, Conceptions and Definitions of Contract, in EBLR, vol. 27 , Issue 6, 2016
ALPA, Towards the Completion of the Digital Single Market: The Proposal for a Regulation on a Common European Sales Law (CESL), in Eppur si muove: The Age of Uniform Law, Essays in honour of Michael Joachim Bonell to celebrate his 70th birthday, Unidroit, vol. 2, 2016
ALPA, Le rôle de l’avocat dans les modes alternatifs de resolution des conflits en Italie (à propos de la loi du 10 novembre 2014, n. 162), in RDC, 10, 2016
ALPA, Arbitration and ADR. Reforms in Italy, in Dir.comm. internazionale, 2, 2017
ALPA, The Making of Consumer Law and Policy in Europe and Italy, in EBLR, 4, 2018
ALPA, General Remarks on Civil Liability in the European Context, in European Private Law, 4, 2018