Villela, Arthur Blois. “The Lisbon Treaty and the Common Foreign and Security Policy (CFSP): The Limits of the European Union As a Single Actor”. Revista de Propriedade Intelectual, Direito Contemporâneo E Constituição, vol. 5, no. 1, Feb. 2016, pp. 134-48, https://doi.org/10.16928/2316-8080.v10n1p.134-148.