APA استشهاد

Kaplan, M. A. K. (1961). The political foundations of international law. John Wiley & sons.

استشهاد بنمط شيكاغو

Kaplan, Morton A. Katzenbach. The Political Foundations of International Law. New York: John Wiley & sons, 1961.

MLA استشهاد

Kaplan, Morton A. Katzenbach. The Political Foundations of International Law. John Wiley & sons, 1961.