एपीए उद्धरण

Sathyanandan, B. (1992). Heavy Metal Toxicity Studies on the Esturine Calm Villorit A Cyprinoides (Hanley). School of Environmental studies.

शिकागो स्टाइल उद्धरण

Sathyanandan, B. Heavy Metal Toxicity Studies on the Esturine Calm Villorit A Cyprinoides (Hanley). Cochin: School of Environmental studies, 1992.

एमएलए उद्धरण

Sathyanandan, B. Heavy Metal Toxicity Studies on the Esturine Calm Villorit A Cyprinoides (Hanley). School of Environmental studies, 1992.