Παραπομπή APA

Bettinghaus, E. (1973). Persuasive communication (2nd ed.). Holt Rinehart and Winston.

Παραπομπή Chicago Style

Bettinghaus, E.P. Persuasive Communication. 2nd ed. Holt Rinehart and Winston, 1973.

Παραπομπή MLA

Bettinghaus, E.P. Persuasive Communication. 2nd ed. Holt Rinehart and Winston, 1973.