Singh, G., & Singh, J. (2007). Water supply and sanitary engineering: (environmental engineering) (6th ed.). Standard Publishers Distributors.
Chicago Style (17th ed.) CitationSingh, Gurcharan, and Jagdish Singh. Water Supply and Sanitary Engineering: (environmental Engineering). 6th ed. Delhi: Standard Publishers Distributors, 2007.
MLA (9th ed.) CitationSingh, Gurcharan, and Jagdish Singh. Water Supply and Sanitary Engineering: (environmental Engineering). 6th ed. Standard Publishers Distributors, 2007.
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