Cita APA

O'Leary, T. J. (2003). Computing essentials, 2004 (Introductory ed.). Boston, MA: McGraw-Hill/Irwin.

Chicago Style Citation

O'Leary, Timothy J. Computing Essentials, 2004. Introductory ed. Boston, MA: McGraw-Hill/Irwin, 2003.

Cita MLA

O'Leary, Timothy J. Computing Essentials, 2004. Introductory ed. Boston, MA: McGraw-Hill/Irwin, 2003.