Gaya APA
BUTTLE, Francis. (2007).
Customer relationship management: concept and tools (Pertama).
Amsterdam:
Saunders Elsevier.
Gaya Chicago
BUTTLE, Francis.
Customer relationship management: concept and tools.
Pertama
Amsterdam:
Saunders Elsevier,
2007.
Text.
Gaya MLA
BUTTLE, Francis.
Customer relationship management: concept and tools.
Pertama
Amsterdam:
Saunders Elsevier,
2007.
Text.
Gaya Turabian
BUTTLE, Francis.
Customer relationship management: concept and tools.
Pertama
Amsterdam:
Saunders Elsevier,
2007.
Print.