एपीए उद्धरण

Pushpam Kumar. (2005). Economics of environment and development. Ane Books.

शिकागो स्टाइल उद्धरण

Pushpam Kumar. Economics of Environment and Development. Chennai: Ane Books, 2005.

एमएलए उद्धरण

Pushpam Kumar. Economics of Environment and Development. Ane Books, 2005.