Dyfyniad APA

Kotler,Philip, & Keller,Kevin Lane. (2005). Marketing management (12th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Kotler,Philip, and Keller,Kevin Lane. Marketing Management. 12th ed. New Delhi: Prentice-Hall, 2005.

Dyfyniad MLA

Kotler,Philip, and Keller,Kevin Lane. Marketing Management. 12th ed. Prentice-Hall, 2005.

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