Fitzmaurice, M., Lefeber, R., & Vierdag., E. (1991). The Changing Political Structure of Europe: Aspects of International Law. Leiden ; Boston: Brill | Nijhoff.
استشهاد بنمط شيكاغوFitzmaurice, Malgosia,, René Lefeber, و E.W. Vierdag. The Changing Political Structure of Europe: Aspects of International Law. Leiden ; Boston: Brill | Nijhoff, 1991.
MLA استشهادFitzmaurice, Malgosia,, René Lefeber, و E.W. Vierdag. The Changing Political Structure of Europe: Aspects of International Law. Leiden ; Boston: Brill | Nijhoff, 1991.