APA Style
Buttle, Francis. (2007).
Customer Relationship Management ( manajemen Hubungan Pelanggan) Concepts and Tools .
Malang:
Bayumedia publishing.
Chicago Style
Buttle, Francis.
Customer Relationship Management ( manajemen Hubungan Pelanggan) Concepts and Tools.
Malang:
Bayumedia publishing,
2007.
Text.
MLA Style
Buttle, Francis.
Customer Relationship Management ( manajemen Hubungan Pelanggan) Concepts and Tools.
Malang:
Bayumedia publishing,
2007.
Text.
Turabian Style
Buttle, Francis.
Customer Relationship Management ( manajemen Hubungan Pelanggan) Concepts and Tools.
Malang:
Bayumedia publishing,
2007.
Print.