Dyfyniad APA

Kotler, P., & Keller, K. L. (2006). Marketing management (Twelfth ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Kotler, Philip, and Kevin Lane Keller. Marketing Management. Twelfth ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 2006.

Dyfyniad MLA

Kotler, Philip, and Kevin Lane Keller. Marketing Management. Twelfth ed. Prentice Hall, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.