Gray, N. F. (1994). Drinking water quality : problems and solutions / N.F. Gray: Problems and solutions. Wiley.
Chicago Style (17th ed.) CitationGray, N. F. Drinking Water Quality : Problems and Solutions / N.F. Gray: Problems and Solutions. Chichester: Wiley, 1994.
MLA (9th ed.) CitationGray, N. F. Drinking Water Quality : Problems and Solutions / N.F. Gray: Problems and Solutions. Wiley, 1994.
Warning: These citations may not always be 100% accurate.