Gaya APA
BUTTLE, Francis. (2004).
Customer relationship management (manajemen hubungan pelanggan) .
Malang:
.
Gaya Chicago
BUTTLE, Francis.
Customer relationship management (manajemen hubungan pelanggan).
Malang:
,
2004.
Text.
Gaya MLA
BUTTLE, Francis.
Customer relationship management (manajemen hubungan pelanggan).
Malang:
,
2004.
Text.
Gaya Turabian
BUTTLE, Francis.
Customer relationship management (manajemen hubungan pelanggan).
Malang:
,
2004.
Print.