Dyfyniad APA

Armstrong, G., & Kolter, P. (2007). Marketing: An introduction (7th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Armstrong, Gary, and Philip Kolter. Marketing: An Introduction. 7th ed. New Delhi: Pearson Education, 2007.

Dyfyniad MLA

Armstrong, Gary, and Philip Kolter. Marketing: An Introduction. 7th ed. Pearson Education, 2007.

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