Cita APA (7th ed.)

HARRISON, W. L. (1985). Computers and information processing: An introduction. West.

Cita Chicago (17th ed.)

HARRISON, William L. Computers and Information Processing: An Introduction. St. Paul: West, 1985.

Cita MLA (9th ed.)

HARRISON, William L. Computers and Information Processing: An Introduction. West, 1985.