एपीए उद्धरण

Harrison, L. (1996). Environmental Health and Safety Auditing handbook (2nd.). McGraw-Hill.

शिकागो स्टाइल उद्धरण

Harrison, Lee. Environmental Health and Safety Auditing Handbook. 2nd. New York: McGraw-Hill, 1996.

एमएलए उद्धरण

Harrison, Lee. Environmental Health and Safety Auditing Handbook. 2nd. McGraw-Hill, 1996.