Katz, B. (2004). How to turn customer service into customer sales. Jaico.
Chicago-stil citatKatz, Bernard. How to Turn Customer Service into Customer Sales. New Delhi: Jaico, 2004.
MLA-referensKatz, Bernard. How to Turn Customer Service into Customer Sales. Jaico, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.