APA Style
Buttle, Francis. (2007).
Customer Relationship Management .
Malang:
Bayumedia.
Chicago Style
Buttle, Francis.
Customer Relationship Management.
Malang:
Bayumedia,
2007.
Text.
MLA Style
Buttle, Francis.
Customer Relationship Management.
Malang:
Bayumedia,
2007.
Text.
Turabian Style
Buttle, Francis.
Customer Relationship Management.
Malang:
Bayumedia,
2007.
Print.