APA Style
MARTIN, William D.. (2004).
Quality Customer Service .
Jakarta:
Penerbit PPm.
Chicago Style
MARTIN, William D..
Quality Customer Service.
Jakarta:
Penerbit PPm,
2004.
.
MLA Style
MARTIN, William D..
Quality Customer Service.
Jakarta:
Penerbit PPm,
2004.
.
Turabian Style
MARTIN, William D..
Quality Customer Service.
Jakarta:
Penerbit PPm,
2004.
.