Dyfyniad APA
Churchill, G. A. (1999). Marketing research: Methodological foundations (7th ed.). Dryden Press.
Dyfyniad Arddull Chicago
Churchill, Gilbert A. Marketing Research: Methodological Foundations. 7th ed. Fort Worth: Dryden Press, 1999.
Dyfyniad MLA
Churchill, Gilbert A. Marketing Research: Methodological Foundations. 7th ed. Dryden Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.