Gaya APA
Sunarto, S.E, M.M. (2006).
Customer Service .
YOGYAKARTA:
UST Press.
Gaya Chicago
Sunarto, S.E, M.M.
Customer Service.
YOGYAKARTA:
UST Press,
2006.
Text.
Gaya MLA
Sunarto, S.E, M.M.
Customer Service.
YOGYAKARTA:
UST Press,
2006.
Text.
Gaya Turabian
Sunarto, S.E, M.M.
Customer Service.
YOGYAKARTA:
UST Press,
2006.
Print.