Dyfyniad APA

Churchill, G. I. (2002). Marketing Research (8th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Churchill, Gilbert; Iacobucci. Marketing Research. 8th ed. New Delhi: Pearson Education, 2002.

Dyfyniad MLA

Churchill, Gilbert; Iacobucci. Marketing Research. 8th ed. Pearson Education, 2002.

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