Dyfyniad APA
Kotler, P., & Kevin Lane Keller. (2007). Marketing management (12th ed.). Prentice Hall of India.
Dyfyniad Arddull Chicago
Kotler, Philip, and Kevin Lane Keller. Marketing Management. 12th ed. New Delhi: Prentice Hall of India, 2007.
Dyfyniad MLA
Kotler, Philip, and Kevin Lane Keller. Marketing Management. 12th ed. Prentice Hall of India, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.