एपीए उद्धरण

Chhatwal, G. R. (1990). Dictionary of environmental chemistry. Anmol.

शिकागो स्टाइल उद्धरण

Chhatwal, Gurdeep R. Dictionary of Environmental Chemistry. New Delhi: Anmol, 1990.

एमएलए उद्धरण

Chhatwal, Gurdeep R. Dictionary of Environmental Chemistry. Anmol, 1990.