एपीए उद्धरण

Ramachandra Guha; Editor. (2007). Nature`s spokesman: M Krishnan and Indian wildlife.

शिकागो स्टाइल उद्धरण

Ramachandra Guha; Editor. Nature`s Spokesman: M Krishnan and Indian Wildlife. New Delhi, Penguin Books India(P) Ltd Ne, 2007.

एमएलए उद्धरण

Ramachandra Guha; Editor. Nature`s Spokesman: M Krishnan and Indian Wildlife. 2007.