Bureau of Indian standards . BIS. (1989). Code of basic requirements for water supply ,drainage and sanitation , 1172-1983 (1.). Bureau of Indian standards.
Chicago Edition CitationBureau of Indian standards . BIS. Code of Basic Requirements for Water Supply ,drainage and Sanitation , 1172-1983. 1. : Bureau of Indian standards, 1989.
MLA Edition CitationBureau of Indian standards . BIS. Code of Basic Requirements for Water Supply ,drainage and Sanitation , 1172-1983. 1. Bureau of Indian standards, 1989.