Gaya APA
Customer relationship management. (2002).
New York:
The McGraw-Hill Companies, Inc.
Gaya Chicago
Customer relationship management.
.
New York:
The McGraw-Hill Companies, Inc,
2002.
Electronic Resource.
Gaya MLA
Customer relationship management.
.
New York:
The McGraw-Hill Companies, Inc,
2002.
Electronic Resource.
Gaya Turabian
Customer relationship management.
New York:
The McGraw-Hill Companies, Inc,
2002.
Electronic Resource.