APA aipamena

Gregory, R. H. (1968). Bussiness data processing and programming. California: Wadworth Publishing.

Chicago Style aipamena

Gregory, Robert H. Bussiness Data Processing and Programming. California: Wadworth Publishing, 1968.

MLA aipamena

Gregory, Robert H. Bussiness Data Processing and Programming. California: Wadworth Publishing, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.