APA استشهاد

D'Amato, A. A. (1971). Concept of Custom in International Law. Cornell Uni. Press.

استشهاد بنمط شيكاغو

D'Amato, Anthony A. Concept of Custom in International Law. London: Cornell Uni. Press, 1971.

MLA استشهاد

D'Amato, Anthony A. Concept of Custom in International Law. Cornell Uni. Press, 1971.