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Dyfyniad Arddull ChicagoChunawalla, S.A, and K.C Sethia. Foundations for Advertising Theory and Practice. 4th ed. Mumbai: Himalalya, 1997.
Dyfyniad MLAChunawalla, S.A, and K.C Sethia. Foundations for Advertising Theory and Practice. 4th ed. Himalalya, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.