Duchacek, I. D. (1972). Discord and harmony: Readings in international politics. Holt, Rinehart.
Lua i Stíl Chicago (17ú heag.)Duchacek, Ivo D. Discord and Harmony: Readings in International Politics. New York: Holt, Rinehart, 1972.
Lua MLA (9ú heag.)Duchacek, Ivo D. Discord and Harmony: Readings in International Politics. Holt, Rinehart, 1972.
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