Gaya APA
O'Leary, T., O'Leary, L. (2011).
Microsoft Excel 2010: A Case Approach .
Amerika Serikat:
The McGraw Hill Companies.
Gaya MLA
O'Leary, Timothy., O'Leary, Linda.
"Microsoft Excel 2010: A Case Approach".
Amerika Serikat:
The McGraw Hill Companies,
2011.
Text.