Bettinghaus, E. P. (1968). Persuasive communication. Rinehart and Winston.
Chicago Style (17th ed.) CitationBettinghaus, Erwin P. Persuasive Communication. Rinehart and Winston, 1968.
MLA (9th ed.) CitationBettinghaus, Erwin P. Persuasive Communication. Rinehart and Winston, 1968.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.