Gaya APA

O'Leary, T, J., O'Leary, L, I. (2008). Computing Essentials 2008 . New Jersey: Mc Graw-Hil Irwin.

Gaya MLA

O'Leary, Timothy, J.., O'Leary, Linda, I.. "Computing Essentials 2008". New Jersey: Mc Graw-Hil Irwin, 2008. Text.