APA استشهاد

Sigmund, P. E. (1972). Ideologies of the developing nations (2nd rev. ed.). Praeger.

استشهاد بنمط شيكاغو

Sigmund, Paul E. Ideologies of the Developing Nations. 2nd rev. ed. New York: Praeger, 1972.

MLA استشهاد

Sigmund, Paul E. Ideologies of the Developing Nations. 2nd rev. ed. Praeger, 1972.