Gaya APA
Technology, D. (2009).
Ayo Belajar Mudah Microsoft Excel 2007 : Seri OneDay Solution (cet.3.ed.1).
YOGYAKARTA:
ANDI.
Gaya MLA
Technology, Digibook.
"Ayo Belajar Mudah Microsoft Excel 2007 : Seri OneDay Solution".
cet.3.ed.1
YOGYAKARTA:
ANDI,
2009.
Text.