Gaya APA
Buttle, Francis. (2007).
Customer Relationship Management Concepts and Tools (edisi 2).
Australia:
ELSEVIER.
Gaya Chicago
Buttle, Francis.
Customer Relationship Management Concepts and Tools.
edisi 2
Australia:
ELSEVIER,
2007.
Text.
Gaya MLA
Buttle, Francis.
Customer Relationship Management Concepts and Tools.
edisi 2
Australia:
ELSEVIER,
2007.
Text.
Gaya Turabian
Buttle, Francis.
Customer Relationship Management Concepts and Tools.
edisi 2
Australia:
ELSEVIER,
2007.
Print.