Cita APA (7a ed.)

Churchill, G. A. (1987). Marketing research: : methodological foundations (4th ed.). Dryden.

Cita Chicago Style (17a ed.)

Churchill, Gilbert A. Marketing Research: : Methodological Foundations. 4th ed. Chicago, Ill.: Dryden, 1987.

Cita MLA (9a ed.)

Churchill, Gilbert A. Marketing Research: : Methodological Foundations. 4th ed. Dryden, 1987.