Gaya APA
Anggawirya, E.
(1996).
Excel 5.0 for windows / Erhans Anggawirya
.
:
Indah.
Gaya MLA
Anggawirya, Erhans.
"Excel 5.0 for windows / Erhans Anggawirya".
:
Indah,
1996.
Referensi.