Brecht, A. (1959). Political theory: The foundations of twentieth-century political thought. Princeton University.
Citace podle Chicago (17th ed.)Brecht, Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton: Princeton University, 1959.
Citace podle MLA (9th ed.)Brecht, Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton University, 1959.
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