Gaya APA

O\'Leary, T, J., O\'leary, L, I. (2011). Microsoft Excel 2010: a Case Approach, Ed. Introductory . New York: McGraw-Hill.

Gaya MLA

O\'Leary, Timothy, J.., O\'leary, Linda, I.. "Microsoft Excel 2010: a Case Approach, Ed. Introductory". New York: McGraw-Hill, 2011. Buku UN.