Gaya APA
Microsoft office word 2007. (2007).
:
PT. Elek Media Komputindo.
Gaya Chicago
Microsoft office word 2007.
.
:
PT. Elek Media Komputindo,
2007.
Text.
Gaya MLA
Microsoft office word 2007.
.
:
PT. Elek Media Komputindo,
2007.
Text.
Gaya Turabian
Microsoft office word 2007.
:
PT. Elek Media Komputindo,
2007.
Print.