Cofnodi Dyfyniadau
Dyfyniad APA
Hart, N. A. a. O. (1978). The practice of advertising (2nd ed.). Heinemann.
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Dyfyniad Arddull Chicago
Hart, Norman A and O'Connor. The Practice of Advertising. 2nd ed. London: Heinemann, 1978.
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Dyfyniad MLA
Hart, Norman A and O'Connor. The Practice of Advertising. 2nd ed. Heinemann, 1978.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.