एपीए उद्धरण

(1972). The pollution crisis ( Volume 2 ): Official documents. Oceana Publications.

शिकागो स्टाइल उद्धरण

The Pollution Crisis ( Volume 2 ): Official Documents. New York: Oceana Publications, 1972.

एमएलए उद्धरण

The Pollution Crisis ( Volume 2 ): Official Documents. Oceana Publications, 1972.