Gaya APA

O'Leary, T, J, O, L. (2014). Computing Essentials 2014 : Making IT Work For You . New York :: McGraw-Hill.

Gaya MLA

O'Leary, Timothy, J., O'Leary,, Linda. "Computing Essentials 2014 : Making IT Work For You". New York :: McGraw-Hill, 2014. Text.