Dyfyniad APA

Coughlan, A. T. (2011). Marketing Channels (7th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Coughlan, Anne T. Marketing Channels. 7th ed. Noida: Pearson Education, 2011.

Dyfyniad MLA

Coughlan, Anne T. Marketing Channels. 7th ed. Pearson Education, 2011.

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