Fellenberg, G. (2000). The chemistry of pollution (3rd ed.). Chichester : New York: Wiley.
Dyfyniad Arddull ChicagoFellenberg, Guenther. The Chemistry of Pollution. 3rd ed. Chichester : New York: Wiley, 2000.
Dyfyniad MLAFellenberg, Guenther. The Chemistry of Pollution. 3rd ed. Chichester : New York: Wiley, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.