APA Style
The Complete guide to customer service. (1989).
:
New York : John Wiley & Sons.
Chicago Style
The Complete guide to customer service.
.
:
New York : John Wiley & Sons,
1989.
.
MLA Style
The Complete guide to customer service.
.
:
New York : John Wiley & Sons,
1989.
.
Turabian Style
The Complete guide to customer service.
:
New York : John Wiley & Sons,
1989.
.