Cita APA (7a ed.)

O Leary, T. J. (2002). Computing essentials 2002-2003Timothy J. O Leary. McGraw-Hill.

Cita Chicago Style (17a ed.)

O Leary, Timothy J. Computing Essentials 2002-2003Timothy J. O Leary. McGraw-Hill, 2002.

Cita MLA (8a ed.)

O Leary, Timothy J. Computing Essentials 2002-2003Timothy J. O Leary. McGraw-Hill, 2002.