Gaya APA
Bettinghaus, Erwin P.. ().
Persuasive communication .
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Gaya Chicago
Bettinghaus, Erwin P..
Persuasive communication.
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Text.
Gaya MLA
Bettinghaus, Erwin P..
Persuasive communication.
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Text.
Gaya Turabian
Bettinghaus, Erwin P..
Persuasive communication.
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.
Print.