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Dyfyniad Arddull ChicagoRao, Vithala R., and Joel H. Steckel. Analysis for Strategic Marketing. New York: Addison Wesley, 1998.
Dyfyniad MLARao, Vithala R., and Joel H. Steckel. Analysis for Strategic Marketing. Addison Wesley, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.