Cita APA (7th ed.)

Mandell, S. L. (1984). Principles of data processing. West Pub.

Cita Chicago (17th ed.)

Mandell, Steven L. Principles of Data Processing. St. Paul, Minn: West Pub, 1984.

Cita MLA (9th ed.)

Mandell, Steven L. Principles of Data Processing. West Pub, 1984.