Cita APA (7th ed.)
Bettinghaus, E. P. (1968). Persuasive communication. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)
Bettinghaus, Erwin P. Persuasive Communication. New York: Holt, Rinehart and Winston, 1968.
Cita MLA (9th ed.)
Bettinghaus, Erwin P. Persuasive Communication. Holt, Rinehart and Winston, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.