Dyfyniad APA

Kotler, p. (1999). Princcipies of Marketing. Prentice-Hall of India Pvt. Ltd.

Dyfyniad Arddull Chicago

Kotler, philips. Princcipies of Marketing. Delhi: Prentice-Hall of India Pvt. Ltd, 1999.

Dyfyniad MLA

Kotler, philips. Princcipies of Marketing. Prentice-Hall of India Pvt. Ltd, 1999.

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