Johnson, E. M. (1994). Sales management: Concepts, practices and cases (2 edition.).
Chicago Stili AlıntıJohnson, Eugene M. Sales Management: Concepts, Practices and Cases. 2 edition. Mc Graw Hill: New York, 1994.
MLA AlıntıJohnson, Eugene M. Sales Management: Concepts, Practices and Cases. 2 edition. 1994.
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