Gaya APA
Katz, Bernard. (1994).
How To Turn Customer Service Into Customer Sales .
United States of America:
NTC Publishing Group.
Gaya Chicago
Katz, Bernard.
How To Turn Customer Service Into Customer Sales.
United States of America:
NTC Publishing Group,
1994.
Text.
Gaya MLA
Katz, Bernard.
How To Turn Customer Service Into Customer Sales.
United States of America:
NTC Publishing Group,
1994.
Text.
Gaya Turabian
Katz, Bernard.
How To Turn Customer Service Into Customer Sales.
United States of America:
NTC Publishing Group,
1994.
Print.