United States. Environmental Protection Agency. Office of Water. (2003). Occurrence estimation methodology and occurrence findings report for the six-year review of existing national primary drinking water regulations. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Occurrence Estimation Methodology and Occurrence Findings Report for the Six-year Review of Existing National Primary Drinking Water Regulations. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 2003.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Occurrence Estimation Methodology and Occurrence Findings Report for the Six-year Review of Existing National Primary Drinking Water Regulations. United States Environmental Protection Agency, Office of Water, 2003.