Gaya APA
Puspitosari, H, A.
(2010).
Having Fun with Microsoft Excel 2007
.
Yokyakarta:
BALAI PUSTAKA.
Gaya MLA
Puspitosari, Heni, A..
"Having Fun with Microsoft Excel 2007".
Yokyakarta:
BALAI PUSTAKA,
2010.
Text.