Fletcher, A. D. B. (1991). Fundamentals of advertising research (4 edition.).
Chicago Stili AlıntıFletcher, Alan D; Bowers. Fundamentals of Advertising Research. 4 edition. Wadsworth Publishing Company: California, 1991.
MLA AlıntıFletcher, Alan D; Bowers. Fundamentals of Advertising Research. 4 edition. 1991.
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