एपीए उद्धरण

Bahadur singh, B. (2015). DBS handbook of biodiversity.

शिकागो स्टाइल उद्धरण

Bahadur singh, Birendra. DBS Handbook of Biodiversity. DBS imprints, 2015.

एमएलए उद्धरण

Bahadur singh, Birendra. DBS Handbook of Biodiversity. 2015.