एपीए उद्धरण

Anil Kumar De. (2000). Environmental chemistry (4th ed.). New Age Intenational.

शिकागो स्टाइल उद्धरण

Anil Kumar De. Environmental Chemistry. 4th ed. New Delhi: New Age Intenational, 2000.

एमएलए उद्धरण

Anil Kumar De. Environmental Chemistry. 4th ed. New Age Intenational, 2000.