Gaya APA
Alam, M, A, J.
(2007).
Student Guide Series Microsoft Office Excel 2007
.
Jakarta:
PT. Elex Media Komputindo.
Gaya MLA
Alam, M., Agus, J..
"Student Guide Series Microsoft Office Excel 2007".
Jakarta:
PT. Elex Media Komputindo,
2007.
Text.