Dyfyniad APA

Kotler, P. (2013). Marketing management (14th [ed.].). Prentice Hall; Pearson.

Dyfyniad Arddull Chicago

Kotler, Philip. Marketing Management. 14th [ed.]. Upper Saddle River, N.J. ; New Delhi.: Prentice Hall; Pearson, 2013.

Dyfyniad MLA

Kotler, Philip. Marketing Management. 14th [ed.]. Prentice Hall; Pearson, 2013.

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