APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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