APA Style
Microsoft Office 97. (1997).
Yogyakarta:
Andi Offset.
Chicago Style
Microsoft Office 97.
1.
Yogyakarta:
Andi Offset,
1997.
Text.
MLA Style
Microsoft Office 97.
1.
Yogyakarta:
Andi Offset,
1997.
Text.
Turabian Style
Microsoft Office 97.
Yogyakarta:
Andi Offset,
1997.
Print.