Cita APA (7th ed.)

Mandell, S. L. (1978). Principles of data processing. West Publishing.

Cita Chicago (17th ed.)

Mandell, Steven L. Principles of Data Processing. St. Paul: West Publishing, 1978.

Cita MLA (9th ed.)

Mandell, Steven L. Principles of Data Processing. West Publishing, 1978.