Cofnodi Dyfyniadau
Dyfyniad APA
katula, R. (1987). Principles and patterns of public speaking. Wadsworth.
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Dyfyniad Arddull Chicago
katula, Richard. Principles and Patterns of Public Speaking. Califonia: Wadsworth, 1987.
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Dyfyniad MLA
katula, Richard. Principles and Patterns of Public Speaking. Wadsworth, 1987.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.