Gaya APA
ZEMKE, Ron, Dick Schaaf. (1989).
The service edge : 101 companies that profit from customer care .
New York:
New American Library.
Gaya Chicago
ZEMKE, Ron, Dick Schaaf.
The service edge : 101 companies that profit from customer care.
New York:
New American Library,
1989.
Text.
Gaya MLA
ZEMKE, Ron, Dick Schaaf.
The service edge : 101 companies that profit from customer care.
New York:
New American Library,
1989.
Text.
Gaya Turabian
ZEMKE, Ron, Dick Schaaf.
The service edge : 101 companies that profit from customer care.
New York:
New American Library,
1989.
Print.