APA استشهاد

Aitken, T. (1962). Foreign policy for American business. Harper & Brothers.

استشهاد بنمط شيكاغو

Aitken, Thomas. Foreign Policy for American Business. New York: Harper & Brothers, 1962.

MLA استشهاد

Aitken, Thomas. Foreign Policy for American Business. Harper & Brothers, 1962.