Dyfyniad APA

Carl McDaniel, Jr., & Gates Roger. (2004). Marketing Research Essentials (4th.). John Wiley&Sons,Inc.

Dyfyniad Arddull Chicago

Carl McDaniel, Jr., and Gates Roger. Marketing Research Essentials. 4th. USA: John Wiley&Sons,Inc, 2004.

Dyfyniad MLA

Carl McDaniel, et al. Marketing Research Essentials. 4th. John Wiley&Sons,Inc, 2004.

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