United States. Environmental Protection Agency. Office of Water. (2001). Small system requirements for the stage 1 disinfectants and disinfection byproducts rule small entity compliance guide. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Small System Requirements for the Stage 1 Disinfectants and Disinfection Byproducts Rule Small Entity Compliance Guide. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 2001.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Small System Requirements for the Stage 1 Disinfectants and Disinfection Byproducts Rule Small Entity Compliance Guide. United States Environmental Protection Agency, Office of Water, 2001.