Gaya APA
Cook, Sarah. (2004).
Customer care excellence : Cara mencapai custemer focus .
Jakarta:
PPm.
Gaya Chicago
Cook, Sarah.
Customer care excellence : Cara mencapai custemer focus.
Jakarta:
PPm,
2004.
Text.
Gaya MLA
Cook, Sarah.
Customer care excellence : Cara mencapai custemer focus.
Jakarta:
PPm,
2004.
Text.
Gaya Turabian
Cook, Sarah.
Customer care excellence : Cara mencapai custemer focus.
Jakarta:
PPm,
2004.
Print.