APA aipamena

Systems and procedures association. (1950). Systems and procedures journal. Systems and procedures.

Chicago Style aipamena

Systems and procedures association. Systems and Procedures Journal. Ohio: Systems and procedures, 1950.

MLA aipamena

Systems and procedures association. Systems and Procedures Journal. Systems and procedures, 1950.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.