Dyfyniad APA

Katz, B. (1987). Here's how to turn customer service into customer sales. NTC Learning Works.

Dyfyniad Arddull Chicago

Katz, Bernard. Here's How to Turn Customer Service into Customer Sales. Lincolnwood, Ill: NTC Learning Works, 1987.

Dyfyniad MLA

Katz, Bernard. Here's How to Turn Customer Service into Customer Sales. NTC Learning Works, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.