APA Style
Weisskopf, G.
(1997).
Dasar-dasar Excel 97 For Windows 95/NT
.
Jakarta:
Elex Media Komputindo.
MLA Style
Weisskopf, Gene.
"Dasar-dasar Excel 97 For Windows 95/NT".
Jakarta:
Elex Media Komputindo,
1997.
Text.