ebrary, Inc, Polin, C., & Polin, R. (2009). Foundations of American political thought. Peter Lang.
Chicago Style (17. basım) Atıfebrary, Inc, Constance Polin, ve Raymond Polin. Foundations of American Political Thought. New York: Peter Lang, 2009.
MLA (9th ed.) Atıfebrary, Inc, et al. Foundations of American Political Thought. Peter Lang, 2009.
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