Katz, B. (2004). How to turn customer service into customer sales. Jaico.
Chicago Edition CitationKatz, Bernard. How to Turn Customer Service into Customer Sales. New Delhi: Jaico, 2004.
Cita MLAKatz, Bernard. How to Turn Customer Service into Customer Sales. Jaico, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.