एपीए उद्धरण

Alloway, B. J. (1990). Heavy metals in soils. Blackie.

शिकागो स्टाइल उद्धरण

Alloway, B. J. Heavy Metals in Soils. London: Blackie, 1990.

एमएलए उद्धरण

Alloway, B. J. Heavy Metals in Soils. Blackie, 1990.