Jenkins. S.H. (1981). The Environmental Impact of Man's Use of Water. Pergamon Press.
Dyfyniad Arddull ChicagoJenkins. S.H. The Environmental Impact of Man's Use of Water. Oxford: Pergamon Press, 1981.
Dyfyniad MLAJenkins. S.H. The Environmental Impact of Man's Use of Water. Pergamon Press, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.