Bettinghaus, E. P. (1987). Persuasive communication (4ª ed.). Holt, Rinehart and Winston.
Tohutoru Kātū ChicagoBettinghaus, Erwin P. Persuasive Communication. 4ª ed. Holt, Rinehart and Winston, 1987.
Tohutoro MLABettinghaus, Erwin P. Persuasive Communication. 4ª ed. Holt, Rinehart and Winston, 1987.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.