एपीए उद्धरण

Alexander, J. M. (1981). Strengh of materials. Ellis Horwood.

शिकागो स्टाइल उद्धरण

Alexander, John M. Strengh of Materials. New York: Ellis Horwood, 1981.

एमएलए उद्धरण

Alexander, John M. Strengh of Materials. Ellis Horwood, 1981.