Vladimir, N., & Chesters, G. (1981). Handbook of non-point pollution: : sources and management. Van Nostrand.
Dyfyniad Arddull ChicagoVladimir, Novotny, and Gordon Chesters. Handbook of Non-point Pollution: : Sources and Management. New York: Van Nostrand, 1981.
Dyfyniad MLAVladimir, Novotny, and Gordon Chesters. Handbook of Non-point Pollution: : Sources and Management. Van Nostrand, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.