एपीए उद्धरण

Belcham, A. (2015). Manual of environmental management. Routledge.

शिकागो स्टाइल उद्धरण

Belcham, Adrian. Manual of Environmental Management. New York: Routledge, 2015.

एमएलए उद्धरण

Belcham, Adrian. Manual of Environmental Management. Routledge, 2015.