Dyfyniad APA

Kotler, P., & Keller, K. L. (2009). Marketing management (Thirteen edition.). Prentice Hall of India Private Limited.

Dyfyniad Arddull Chicago

Kotler, Philip, and Kevin Lane Keller. Marketing Management. Thirteen edition. New Delhi: Prentice Hall of India Private Limited, 2009.

Dyfyniad MLA

Kotler, Philip, and Kevin Lane Keller. Marketing Management. Thirteen edition. Prentice Hall of India Private Limited, 2009.

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