Zikmund, W. G., & D'Amico, M. (2001). Marketing: Creating and keeping customers in an e-commerce world (7a. ed.). Thomson Learning.
Citace podle Chicago (17th ed.)Zikmund, William G., a Michael D'Amico. Marketing: Creating and Keeping Customers in an E-commerce World. 7a. ed. Stamford: Thomson Learning, 2001.
Citace podle MLA (9th ed.)Zikmund, William G., a Michael D'Amico. Marketing: Creating and Keeping Customers in an E-commerce World. 7a. ed. Thomson Learning, 2001.
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