Gaya APA

O'leary, T, J., O'leary, L, L. (2005). Computing Essentials 2005 : Introductory Edition . New York: McGraw-Hill Internasional Book Company.

Gaya MLA

O'leary, Timothy, J.., O'leary, Linda, L.. "Computing Essentials 2005 : Introductory Edition". New York: McGraw-Hill Internasional Book Company, 2005. Texts.