APA (7th ed.) Zitazioa

Zikmund, W. G., & D'Amico, M. (2001). Marketing: Creating and keeping customers in an e-commerce world (7a. ed.). Thomson Learning.

Chicago Style (17th ed.) Zitazioa

Zikmund, William G., eta Michael D'Amico. Marketing: Creating and Keeping Customers in an E-commerce World. 7a. ed. Stamford: Thomson Learning, 2001.

MLA (9th ed.) Zitazioa

Zikmund, William G., eta Michael D'Amico. Marketing: Creating and Keeping Customers in an E-commerce World. 7a. ed. Thomson Learning, 2001.