Παραπομπή APA

Zyman, S. (1999). The end of marketing as we know it. London: Harper Business.

Παραπομπή Chicago Style

Zyman, Sergio. The End of Marketing As We Know It. London: Harper Business, 1999.

Παραπομπή MLA

Zyman, Sergio. The End of Marketing As We Know It. London: Harper Business, 1999.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.