Kaplan, M. A. (1974). Great issues of international politics: The international system and national policy (2nd ed.). Aldine.
Citazione stile Chigago Style (17a edizione)Kaplan, Morton A. Great Issues of International Politics: The International System and National Policy. 2nd ed. Chicago, Illinois: Aldine, 1974.
Citatione MLA (9a ed.)Kaplan, Morton A. Great Issues of International Politics: The International System and National Policy. 2nd ed. Aldine, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.