Kaplan, M. A. (1957). System and process in international politics. John Wiley & Sons.
Chicagoスタイル(17版)引用形式Kaplan, Morton A. System and Process in International Politics. New York: John Wiley & Sons, 1957.
MLA(9版)引用形式Kaplan, Morton A. System and Process in International Politics. John Wiley & Sons, 1957.
警告: この引用は必ずしも正確ではありません.