APA Style
BUTTLE, Francis. (2011).
Customer relationship management : Concept and technologies .
Amerika:
Elsevier.
Chicago Style
BUTTLE, Francis.
Customer relationship management : Concept and technologies.
Amerika:
Elsevier,
2011.
.
MLA Style
BUTTLE, Francis.
Customer relationship management : Concept and technologies.
Amerika:
Elsevier,
2011.
.
Turabian Style
BUTTLE, Francis.
Customer relationship management : Concept and technologies.
Amerika:
Elsevier,
2011.
.