एपीए उद्धरण

Chhatwal, G. ,. (1995). History of chemistry. Anmol publictions.

शिकागो स्टाइल उद्धरण

Chhatwal, G.R ,ed. History of Chemistry. New Delhi: Anmol publictions, 1995.

एमएलए उद्धरण

Chhatwal, G.R ,ed. History of Chemistry. Anmol publictions, 1995.