Dyfyniad APA
McDaniel, C. D., & Gates, R. H. (2006). Marketing research essentials (5th ed.). John Wiley.
Dyfyniad Arddull Chicago
McDaniel, Carl D., and Roger H. Gates. Marketing Research Essentials. 5th ed. Hoboken, N.J.: John Wiley, 2006.
Dyfyniad MLA
McDaniel, Carl D., and Roger H. Gates. Marketing Research Essentials. 5th ed. John Wiley, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.