Cita APA (7a ed.)
Zikmund, W. G., & D'Amico, M. (1995). Effective marketing: Creating and keeping customers. West.
Cita Chicago Style (17a ed.)
Zikmund, William G., y Michael D'Amico. Effective Marketing: Creating and Keeping Customers. Minneapolis: West, 1995.
Cita MLA (9a ed.)
Zikmund, William G., y Michael D'Amico. Effective Marketing: Creating and Keeping Customers. West, 1995.
Precaución: Estas citas no son 100% exactas.