APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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