Dyfyniad APA

Burns, A. C., & Bush, R. F. (2007). Marketing research (5th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Burns, Alvin C., and Ronald F. Bush. Marketing Research. 5th ed. New Delhi: Pearson Education, 2007.

Dyfyniad MLA

Burns, Alvin C., and Ronald F. Bush. Marketing Research. 5th ed. Pearson Education, 2007.

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