Gaya APA
Microsoft excel xp for windows. (2002).
Yogyakarta:
ANDI.
Gaya Chicago
Microsoft excel xp for windows.
.
Yogyakarta:
ANDI,
2002.
Text.
Gaya MLA
Microsoft excel xp for windows.
.
Yogyakarta:
ANDI,
2002.
Text.
Gaya Turabian
Microsoft excel xp for windows.
Yogyakarta:
ANDI,
2002.
Print.