APA (7th ed.) Citation

O'Leary, T. J. (2001). Computing essentials 2001 - 2002. McGraw-Hill/Irwin.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J. Computing Essentials 2001 - 2002. Boston: McGraw-Hill/Irwin, 2001.

MLA (8th ed.) Citation

O'Leary, Timothy J. Computing Essentials 2001 - 2002. McGraw-Hill/Irwin, 2001.