Harvard Business Essentials. (2006). Marketer's Toolkit. Cengage Learning.
Čikaški stil citiranja (17. izdanje)Harvard Business Essentials. Marketer's Toolkit. New Delhi: Cengage Learning, 2006.
MLA način citiranja (9. izdanje)Harvard Business Essentials. Marketer's Toolkit. Cengage Learning, 2006.
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