Brecht, A. (1988). Political theory: The foundations of twentieth century political thought.
استشهاد بنمط شيكاغوBrecht, Arnold. Political Theory: The Foundations of Twentieth Century Political Thought. New Delhi, Surjeet, 1988.
MLA استشهادBrecht, Arnold. Political Theory: The Foundations of Twentieth Century Political Thought. 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.