Gaya APA

O'leary, T, J, O, L, I. (2011). The O'Leary Series Microsoft Excel 2010: A Case Approach Complete Edition . New York :: McGraw-Hill.

Gaya MLA

O'leary, Timothy, J., O'leary,, Linda, I.. "The O'Leary Series Microsoft Excel 2010: A Case Approach Complete Edition". New York :: McGraw-Hill, 2011. Text.