Cita APA (7th ed.)

O'Leary, T. J. (1997). Computing essentials: Multimedia edition 1997-1998. McGraw-Hill.

Cita Chicago (17th ed.)

O'Leary, Timothy J. Computing Essentials: Multimedia Edition 1997-1998. New York: McGraw-Hill, 1997.

Cita MLA (9th ed.)

O'Leary, Timothy J. Computing Essentials: Multimedia Edition 1997-1998. McGraw-Hill, 1997.