CRAIG, P.: Directives: direct effect, indirect effect and the construction of national legislation, European Law Review, 1997 (6).
EDWARD, D.: Direct effect: myth, mess or mystery?, en Dírect Effect, Rethinking a Classic of EC legal docrtine, Prinssen and Schrauwen, Europa Law Publishing, Groningen, 2002.
LENAERTS, K and ARTS,D.: Procedural Law on the European Union, Ed. Thomson, 2010.
MANGAS MARTÍN, A.: Rapport Espagnol. Le droit constitutionnel national et l'intégration européenne, FIDE, XVII Congrès, Berlin, 1996.
PEERS, S.: Taking supremacy seriously, European Law Review, 1998 (2).
PRECHAL,S.: Direct Effect Reconsidered, Redefined and Rejected, en Direct Effect. Rethinking a Classic of EC Legal Doctrine, ed. Prinsen and Schrauwen, The Hogendorp Papers (3), Europa Law Publishing, Groningen, 2002.
SCHWARZE,J (ed.): The birth of a European Constitutional Order. The interaction of national and European Constitutional Law, Nomos, Baden-Baden, 2001.