APA استشهاد

Littlejohn, S. W. (2003). Theories of human communication (7th ed.). Thomson.

استشهاد بنمط شيكاغو

Littlejohn, Stephen W. Theories of Human Communication. 7th ed. Singapore: Thomson, 2003.

MLA استشهاد

Littlejohn, Stephen W. Theories of Human Communication. 7th ed. Thomson, 2003.