Hartley, R. F. (1998). Marketing mistakes and successes (7th edition.). New York: John Wiley & Sons.
Chicago Stili AlıntıHartley, Robert F. Marketing Mistakes and Successes. 7th edition. New York: John Wiley & Sons, 1998.
MLA AlıntıHartley, Robert F. Marketing Mistakes and Successes. 7th edition. New York: John Wiley & Sons, 1998.
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