Cita APA (7th ed.)
Zikmund, W. G., & D'Amico, M. (1996). Marketing (5th ed.). West Publishing.
Cita Chicago (17th ed.)
Zikmund, William G., i Michael D'Amico. Marketing. 5th ed. Minneapolis: West Publishing, 1996.
Cita MLA (9th ed.)
Zikmund, William G., i Michael D'Amico. Marketing. 5th ed. West Publishing, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.