Krzan, Bartłomiej. “The International Responsibility of the European Union in the Light of the International Law Commission’s Codification Efforts”. Polish Review of International and European Law 2, no. 2 (January 20, 2013): 35-59. Accessed July 6, 2020. https://czasopisma.uksw.edu.pl/index.php/priel/article/view/1129.