Gaya APA
Microsoft Windows XP. (2002).
New York:
[s.n.].
Gaya Chicago
Microsoft Windows XP.
.
New York:
[s.n.],
2002.
Text.
Gaya MLA
Microsoft Windows XP.
.
New York:
[s.n.],
2002.
Text.
Gaya Turabian
Microsoft Windows XP.
New York:
[s.n.],
2002.
Print.