Coplin, W. D. (1972). Everyman's prince: A guide to understanding your political problems. Duxbury Press Publishers.
Citace podle Chicago (17th ed.)Coplin, William D. Everyman's Prince: A Guide to Understanding Your Political Problems. California: Duxbury Press Publishers, 1972.
Citace podle MLA (9th ed.)Coplin, William D. Everyman's Prince: A Guide to Understanding Your Political Problems. Duxbury Press Publishers, 1972.
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