Cofnodi Dyfyniadau

Dyfyniad APA
Kotler, P., & Armstrong, G. (1996). Principles of marketing (7th.ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Kotler, Philip, and Gary Armstrong. Principles of Marketing. 7th.ed. New Jersey: Prentice Hall, 1996.
Dyfyniad MLA
Kotler, Philip, and Gary Armstrong. Principles of Marketing. 7th.ed. Prentice Hall, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.