Von Vorys, K. (1925). New nations: The problems of political development. The American Academy of Political and Social Science.
Citace podle Chicago (17th ed.)Von Vorys, Karl. New Nations: The Problems of Political Development. Philadelphia: The American Academy of Political and Social Science, 1925.
Citace podle MLA (9th ed.)Von Vorys, Karl. New Nations: The Problems of Political Development. The American Academy of Political and Social Science, 1925.
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