APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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