Gaya APA
Access 2007. (2008).
:
PT. Elex Media Kompotindo.
Gaya Chicago
Access 2007.
.
:
PT. Elex Media Kompotindo,
2008.
Text.
Gaya MLA
Access 2007.
.
:
PT. Elex Media Kompotindo,
2008.
Text.
Gaya Turabian
Access 2007.
:
PT. Elex Media Kompotindo,
2008.
Print.