CRON W L. (2003). SALES MANAGEMENT: CONCEPTS AND CASES (7TH.). JOHN WILEY AND SONS.
Chicago-čujuhus (17. p.)CRON W L. SALES MANAGEMENT: CONCEPTS AND CASES. 7TH. NEW YORK: JOHN WILEY AND SONS, 2003.
MLA-čujuhus (9. p.)CRON W L. SALES MANAGEMENT: CONCEPTS AND CASES. 7TH. JOHN WILEY AND SONS, 2003.
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