Cofnodi Dyfyniadau
Dyfyniad APA
Andrews, J. R. (1979). Essentials of public communication. John Wiley.
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Dyfyniad Arddull Chicago
Andrews, James R. Essentials of Public Communication. New York: John Wiley, 1979.
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Dyfyniad MLA
Andrews, James R. Essentials of Public Communication. John Wiley, 1979.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.