APA Citatie

O'Leary, T. J., & O'Leary, L. I. (2005). Computing essentials 2005 (Introductory ed.). Boston: McGraw-Hill Technology Education.

Chicago Style citaat

O'Leary, Timothy J., en Linda I. O'Leary. Computing Essentials 2005. Introductory ed. Boston: McGraw-Hill Technology Education, 2005.

MLA citatie

O'Leary, Timothy J., en Linda I. O'Leary. Computing Essentials 2005. Introductory ed. Boston: McGraw-Hill Technology Education, 2005.