APA Style
Peelen, Ed. (2005).
Customer relationship management .
England:
Pretice Hall.
Chicago Style
Peelen, Ed.
Customer relationship management.
England:
Pretice Hall,
2005.
Text.
MLA Style
Peelen, Ed.
Customer relationship management.
England:
Pretice Hall,
2005.
Text.
Turabian Style
Peelen, Ed.
Customer relationship management.
England:
Pretice Hall,
2005.
Print.