Modelski, G. A. (1962). A theory of foreign policy. Published for the Center of International Studies, Princeton University by Praeger.
Lua i Stíl Chicago (17ú heag.)Modelski, George A. A Theory of Foreign Policy. New York: Published for the Center of International Studies, Princeton University by Praeger, 1962.
Lua MLA (9ú heag.)Modelski, George A. A Theory of Foreign Policy. Published for the Center of International Studies, Princeton University by Praeger, 1962.
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