एपीए उद्धरण

Abbasi, S. A. (1998). Heavy metals in the environment. Mittal Publications.

शिकागो स्टाइल उद्धरण

Abbasi, S. A. Heavy Metals in the Environment. New Delhi: Mittal Publications, 1998.

एमएलए उद्धरण

Abbasi, S. A. Heavy Metals in the Environment. Mittal Publications, 1998.