Huisman, L., & Wood, W. E. (1974). Slow sand filtration. Geneva, Suiza: World Health Organization.
Chicago Style CitationHuisman, L., and W. E. Wood. Slow Sand Filtration. Geneva, Suiza: World Health Organization, 1974.
MLA CitationHuisman, L., and W. E. Wood. Slow Sand Filtration. Geneva, Suiza: World Health Organization, 1974.
Warning: These citations may not always be 100% accurate.