Dyfyniad APA
McDaniel, C., & Gates, R. (2008). Marketing research with SPSS (8th ed.). Wiley.
Dyfyniad Arddull Chicago
McDaniel, Carl, and Roger Gates. Marketing Research with SPSS. 8th ed. Harlow: Wiley, 2008.
Dyfyniad MLA
McDaniel, Carl, and Roger Gates. Marketing Research with SPSS. 8th ed. Wiley, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.