APA (7th ed.) Zitazioa
Littlejohn, S. W. (1983). Theories of human communication (2nd ed.). Wadsworth.
Chicago Style (17th ed.) Zitazioa
Littlejohn, Stephen W. Theories of Human Communication. 2nd ed. California: Wadsworth, 1983.
MLA (9th ed.) Zitazioa
Littlejohn, Stephen W. Theories of Human Communication. 2nd ed. Wadsworth, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.