एपीए उद्धरण

Leppard, G. G. (1983). Trace element speciation in surface waters and its ecological implications. Plenum.

शिकागो स्टाइल उद्धरण

Leppard, Gray G. Trace Element Speciation in Surface Waters and Its Ecological Implications. New York: Plenum, 1983.

एमएलए उद्धरण

Leppard, Gray G. Trace Element Speciation in Surface Waters and Its Ecological Implications. Plenum, 1983.