Lua APA (7ú heag.)

Bettinghaus, E. P. (1968). Persuasive communication. Holt, Rinehart and Winston.

Lua i Stíl Chicago (17ú heag.)

Bettinghaus, Erwin P. Persuasive Communication. New York: Holt, Rinehart and Winston, 1968.

Lua MLA (9ú heag.)

Bettinghaus, Erwin P. Persuasive Communication. Holt, Rinehart and Winston, 1968.

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