Cita APA (7a ed.)

O’Leary, T. J., & O’Leary. Computing essentials 2008 (Complete ed., 19th.). McGraw-Hill/Irwin.

Cita Chicago Style (17a ed.)

O’Leary, Timothy J., y O’Leary. Computing Essentials 2008. Complete ed., 19th. New York, NY: McGraw-Hill/Irwin.

Cita MLA (9a ed.)

O’Leary, Timothy J., y O’Leary. Computing Essentials 2008. Complete ed., 19th. McGraw-Hill/Irwin.