Aaker, D. A., & Day, G. S. (1990). Marketing research/4e (4th ed.). John wiley and sons.
Chicago Stili AlıntıAaker, David A., ve George S. Day. Marketing Research/4e. 4th ed. New York: John wiley and sons, 1990.
MLA AlıntıAaker, David A., ve George S. Day. Marketing Research/4e. 4th ed. John wiley and sons, 1990.
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