Kaplan, M. A. (1957). System and process in international politics. John Wiley and Sons.
シカゴスタイル引用形Kaplan, Morton A. System and Process in International Politics. New York: John Wiley and Sons, 1957.
MLA引用形式Kaplan, Morton A. System and Process in International Politics. John Wiley and Sons, 1957.
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