एपीए उद्धरण

(1999). Compendium of environment statistics 1999. Central Statistical Organisation.

शिकागो स्टाइल उद्धरण

Compendium of Environment Statistics 1999. New Delhi: Central Statistical Organisation, 1999.

एमएलए उद्धरण

Compendium of Environment Statistics 1999. Central Statistical Organisation, 1999.