एपीए उद्धरण

Trivedi, P. R. (2009). environmental impact assessment.

शिकागो स्टाइल उद्धरण

Trivedi, P R. Environmental Impact Assessment. A.P.H Publishing NewDelhi, 2009.

एमएलए उद्धरण

Trivedi, P R. Environmental Impact Assessment. 2009.