Gaya APA
Microsoft office 2007. (2007).
:
Andi Semarang.
Gaya Chicago
Microsoft office 2007.
.
:
Andi Semarang,
2007.
Text.
Gaya MLA
Microsoft office 2007.
.
:
Andi Semarang,
2007.
Text.
Gaya Turabian
Microsoft office 2007.
:
Andi Semarang,
2007.
Print.