एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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