Gaya APA

O'Leary, T, J., O'Leary, L, I. (2012). Computing Essentials 2012 : Making IT Work For You . New York: Mc Graw- Hill Book Co.

Gaya MLA

O'Leary, Timothy, J.., O'Leary, Linda, I. "Computing Essentials 2012 : Making IT Work For You". New York: Mc Graw- Hill Book Co, 2012. Text.