Cofnodi Dyfyniadau
Dyfyniad APA
Devito, J. A. (1987). Instructional manual to accompany the element of public speaking (3rd ed.). Harper.
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Dyfyniad Arddull Chicago
Devito, Joseph A. Instructional Manual to Accompany the Element of Public Speaking. 3rd ed. New York: Harper, 1987.
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Dyfyniad MLA
Devito, Joseph A. Instructional Manual to Accompany the Element of Public Speaking. 3rd ed. Harper, 1987.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.