Bearden, W. O., Ingram, T. N., & LaForge, R. W. (2004). Marketing: Principles & perspectives (4th ed.). New York: McGraw-Hill/Irwin.
Chicago Stili AlıntıBearden, William O., Thomas N. Ingram, ve Raymond W. LaForge. Marketing: Principles & Perspectives. 4th ed. New York: McGraw-Hill/Irwin, 2004.
MLA AlıntıBearden, William O., Thomas N. Ingram, ve Raymond W. LaForge. Marketing: Principles & Perspectives. 4th ed. New York: McGraw-Hill/Irwin, 2004.
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