Gaya APA
Service Operation - ESENSI 2009. (2009).
Jakarta:
Esensi.
Gaya Chicago
Service Operation - ESENSI 2009.
.
Jakarta:
Esensi,
2009.
Text.
Gaya MLA
Service Operation - ESENSI 2009.
.
Jakarta:
Esensi,
2009.
Text.
Gaya Turabian
Service Operation - ESENSI 2009.
Jakarta:
Esensi,
2009.
Print.