James, G. (1977). Water Treatment; A Survey of Current Methods of Purifying Domestic Supplies and of reating Industrieal Effluents and Domestic Sewage (4TH.). Technical press.
Dyfyniad Arddull ChicagoJames, G.V. Water Treatment; A Survey of Current Methods of Purifying Domestic Supplies and of Reating Industrieal Effluents and Domestic Sewage. 4TH. Edinburgh: Technical press, 1977.
Dyfyniad MLAJames, G.V. Water Treatment; A Survey of Current Methods of Purifying Domestic Supplies and of Reating Industrieal Effluents and Domestic Sewage. 4TH. Technical press, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.