Dyfyniad APA

McDaniel, C. D., & Gates, R. (1999). Contemporary marketing research (4th ed.). Cincinnati, OH: South-Western College.

Dyfyniad Arddull Chicago

McDaniel, Carl D., và Rogers Gates. Contemporary Marketing Research. 4th ed. Cincinnati, OH: South-Western College, 1999.

Dyfyniad MLA

McDaniel, Carl D., và Rogers Gates. Contemporary Marketing Research. 4th ed. Cincinnati, OH: South-Western College, 1999.

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