Gaya APA
Buttle, Francis. (2007).
Customer Relationship Management .
Malang:
Bayumedia Publishing.
Gaya Chicago
Buttle, Francis.
Customer Relationship Management.
Malang:
Bayumedia Publishing,
2007.
Buku.
Gaya MLA
Buttle, Francis.
Customer Relationship Management.
Malang:
Bayumedia Publishing,
2007.
Buku.
Gaya Turabian
Buttle, Francis.
Customer Relationship Management.
Malang:
Bayumedia Publishing,
2007.
Buku.