Gaya APA
Rangkuti, Freddy. (2013).
Customer Service Satisfaction & Call Center Berdasarkan ISO 9001 .
Jakarta:
Gramedia.
Gaya Chicago
Rangkuti, Freddy.
Customer Service Satisfaction & Call Center Berdasarkan ISO 9001.
Jakarta:
Gramedia,
2013.
Text.
Gaya MLA
Rangkuti, Freddy.
Customer Service Satisfaction & Call Center Berdasarkan ISO 9001.
Jakarta:
Gramedia,
2013.
Text.
Gaya Turabian
Rangkuti, Freddy.
Customer Service Satisfaction & Call Center Berdasarkan ISO 9001.
Jakarta:
Gramedia,
2013.
Print.