APA Citatie

Zikmund, W. G., & D'Amico, M. (1998). Effective marketing: Creating and keeping customers (2nd ed.). Cincinnati, OH: South-Western College.

Chicago Style citaat

Zikmund, William G., en Michael D'Amico. Effective Marketing: Creating and Keeping Customers. 2nd ed. Cincinnati, OH: South-Western College, 1998.

MLA citatie

Zikmund, William G., en Michael D'Amico. Effective Marketing: Creating and Keeping Customers. 2nd ed. Cincinnati, OH: South-Western College, 1998.