Gaya APA
Windows 7 starterr guide. (2009).
Yogyakarta:
Andi.
Gaya Chicago
Windows 7 starterr guide.
.
Yogyakarta:
Andi,
2009.
Text.
Gaya MLA
Windows 7 starterr guide.
.
Yogyakarta:
Andi,
2009.
Text.
Gaya Turabian
Windows 7 starterr guide.
Yogyakarta:
Andi,
2009.
Print.