Cita APA (7th ed.)
Whitlock, J. W., & Scrafford, R. (19). Automatic data processing in education.
Cita Chicago (17th ed.)
Whitlock, James W., i Ralph Scrafford. Automatic Data Processing in Education. 19.
Cita MLA (9th ed.)
Whitlock, James W., i Ralph Scrafford. Automatic Data Processing in Education. 19.
Atenció: Aquestes cites poden no estar 100% correctes.