एपीए उद्धरण

Brooks, P. P. (1974). Problems of environment: An Introduction. Harrap.

शिकागो स्टाइल उद्धरण

Brooks, Peter P. Problems of Environment: An Introduction. London: Harrap, 1974.

एमएलए उद्धरण

Brooks, Peter P. Problems of Environment: An Introduction. Harrap, 1974.