Churchill, G. A., Jr. (1991). Marketing research: Methodological foundations (5th ed.). New York: Dryden.
Chicago Stili AlıntıChurchill, Gilbert A., Jr. Marketing Research: Methodological Foundations. 5th ed. New York: Dryden, 1991.
MLA AlıntıChurchill, Gilbert A., Jr. Marketing Research: Methodological Foundations. 5th ed. New York: Dryden, 1991.
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