Kaplan, M. A. (1968). New approaches to international relations. St. Martin's Press.
芝加哥风格引文Kaplan, Morton A. New Approaches to International Relations. New York: St. Martin's Press, 1968.
MLA引文Kaplan, Morton A. New Approaches to International Relations. St. Martin's Press, 1968.
警告：这些引文格式不一定是100％准确.