National Environmental Engineering Research Institute, Thergaonkar, V. P., & Sundaresan, B. B. (1981). Water and waste water analysis =: A course manual. National Technical Information Service, U.S.Dept. of Commerce.
Chicago-referens (17:e uppl.)National Environmental Engineering Research Institute, V. P. Thergaonkar, och B. B. Sundaresan. Water and Waste Water Analysis =: A Course Manual. Springfield: National Technical Information Service, U.S.Dept. of Commerce, 1981.
MLA-referens (9:e uppl.)National Environmental Engineering Research Institute, et al. Water and Waste Water Analysis =: A Course Manual. National Technical Information Service, U.S.Dept. of Commerce, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.