Valenzuela, E. E. (2016). Understanding basic concepts in political science (2nd edition.). Unlimited Books Library Services and Publishing, Inc.
Citace podle Chicago (17th ed.)Valenzuela, Edwin E. Understanding Basic Concepts in Political Science. 2nd edition. Manila: Unlimited Books Library Services and Publishing, Inc, 2016.
Citace podle MLA (9th ed.)Valenzuela, Edwin E. Understanding Basic Concepts in Political Science. 2nd edition. Unlimited Books Library Services and Publishing, Inc, 2016.
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