Baker, M. J., & Marketing, C. I. o. (1999). The marketing book. Oxford : Butterworth-Heinemann.
Dyfyniad Arddull ChicagoBaker, Michael John, and Chartered Institute of Marketing. The Marketing Book. Oxford : Butterworth-Heinemann, 1999.
Dyfyniad MLABaker, Michael John, and Chartered Institute of Marketing. The Marketing Book. Oxford : Butterworth-Heinemann, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.