Cita APA (7th ed.)

Churchill, G. A. (1979). Marketing research: Methodological foundations (2a. ed.). The Dryden.

Cita Chicago (17th ed.)

Churchill, Gilbert A. Marketing Research: Methodological Foundations. 2a. ed. Hinsdale: The Dryden, 1979.

Cita MLA (9th ed.)

Churchill, Gilbert A. Marketing Research: Methodological Foundations. 2a. ed. The Dryden, 1979.