Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.