Cita APA

Zikmund, W., & Amico, M. D. (1984). Marketing. John Wiley.

Chicago Edition Citation

Zikmund, William, i Michael D. Amico. Marketing. New York: John Wiley, 1984.

Cita MLA

Zikmund, William, i Michael D. Amico. Marketing. John Wiley, 1984.