Παραπομπή APA

Sibley, M. Q. (1981). Political ideas and ideologies: A history of political thought.

Παραπομπή Chicago Style

Sibley, Mulford Q. Political Ideas and Ideologies: A History of Political Thought. New Delhi, Surjeet, 1981.

Παραπομπή MLA

Sibley, Mulford Q. Political Ideas and Ideologies: A History of Political Thought. 1981.