एपीए उद्धरण

Poirier, R. (1975). Engineering wonders of the world. New York: Barnes & Noble.

शिकागो स्टाइल उद्धरण

Poirier, Rene. Engineering Wonders of the World. New York: Barnes & Noble, 1975.

एमएलए उद्धरण

Poirier, Rene. Engineering Wonders of the World. New York: Barnes & Noble, 1975.