Heiman, S. E., Tuleja, T., & Sanchez, D. (2004). The new conceptual selling (2nd ed.). Warner Business Books, Kogan Page.
Čikaški stil citiranja (17. izdanje)Heiman, Stephen E., Tad Tuleja, i Diane Sanchez. The New Conceptual Selling. 2nd ed. New York, NY : India: Warner Business Books, Kogan Page, 2004.
MLA način citiranja (8. izdanje)Heiman, Stephen E., et al. The New Conceptual Selling. 2nd ed. Warner Business Books, Kogan Page, 2004.
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