Berle, A. A. (1957). Tides of crisis: A primer of foreign relations. New York: Reynal and Company.
Trích dẫn kiểu ChicagoBerle, Adolf A. Tides of Crisis: A Primer of Foreign Relations. New York: Reynal and Company, 1957.
Deismireacht MLABerle, Adolf A. Tides of Crisis: A Primer of Foreign Relations. New York: Reynal and Company, 1957.
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