APA aipamena

Data Processing Management Association. (1969). Principles of automatic data processing. U.S.A: Data Processing Management Association.

Chicago Style aipamena

Data Processing Management Association. Principles of Automatic Data Processing. U.S.A: Data Processing Management Association, 1969.

MLA aipamena

Data Processing Management Association. Principles of Automatic Data Processing. U.S.A: Data Processing Management Association, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.