Dyfyniad APA

Coughlan, A. T. (2003). Marketing channels (6th ed.). Prentice Hall of India.

Dyfyniad Arddull Chicago

Coughlan, Anne T. Marketing Channels. 6th ed. New Delhi: Prentice Hall of India, 2003.

Dyfyniad MLA

Coughlan, Anne T. Marketing Channels. 6th ed. Prentice Hall of India, 2003.

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