Gaya APA
William B. Martin,Ph.D.. (2005).
Quality Customer Service (Cet.2).
Jakarta:
Penerbit PPM.
Gaya Chicago
William B. Martin,Ph.D..
Quality Customer Service.
Cet.2
Jakarta:
Penerbit PPM,
2005.
Text.
Gaya MLA
William B. Martin,Ph.D..
Quality Customer Service.
Cet.2
Jakarta:
Penerbit PPM,
2005.
Text.
Gaya Turabian
William B. Martin,Ph.D..
Quality Customer Service.
Cet.2
Jakarta:
Penerbit PPM,
2005.
Print.