एपीए उद्धरण

Gilpin, A. (1995). Environmental impact assessment (EIA): Cutting edge for the twenty-first century. New York: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Gilpin, Alan. Environmental Impact Assessment (EIA): Cutting Edge for the Twenty-first Century. New York: Cambridge University Press, 1995.

एमएलए उद्धरण

Gilpin, Alan. Environmental Impact Assessment (EIA): Cutting Edge for the Twenty-first Century. New York: Cambridge University Press, 1995.