APA استشهاد

Beitzinger, A. J. (1972). A History of American political thought. Oxford& IBH.

استشهاد بنمط شيكاغو

Beitzinger, A J. A History of American Political Thought. Delhi: Oxford& IBH, 1972.

MLA استشهاد

Beitzinger, A J. A History of American Political Thought. Oxford& IBH, 1972.