Dyfyniad APA
Stern, L. W., Ansary, A. I., & Coughlan, A. T. (1996). Marketing channels (5th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Stern, Louis W., Adel I. Ansary, and Anne T. Coughlan. Marketing Channels. 5th ed. New Delhi: Prentice Hall, 1996.
Dyfyniad MLA
Stern, Louis W., et al. Marketing Channels. 5th ed. Prentice Hall, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.