एपीए उद्धरण

Chapman,W A J. (1972). Workshop technology. Part 2: SI units (4th ed.). CBS publishers & distributors.

शिकागो स्टाइल उद्धरण

Chapman,W A J. Workshop Technology. Part 2: SI Units. 4th ed. New Delhi: CBS publishers & distributors, 1972.

एमएलए उद्धरण

Chapman,W A J. Workshop Technology. Part 2: SI Units. 4th ed. CBS publishers & distributors, 1972.