Dyfyniad APA

Churchill, G. A. (1983). Marketing research: Methodological foundations (3rd ed.). Chicago: Dryden Press.

Dyfyniad Arddull Chicago

Churchill, Gilbert A. Marketing Research: Methodological Foundations. 3rd ed. Chicago: Dryden Press, 1983.

Dyfyniad MLA

Churchill, Gilbert A. Marketing Research: Methodological Foundations. 3rd ed. Chicago: Dryden Press, 1983.

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