United States. Environmental Protection Agency. Office of Water & Drinking Water Academy (U.S.). (2004). Drinking water inspectors's field reference: For use when conducting a sanitary survey of a small ground water system (2003 edition.). United States Environmental Protection Agency, Office of Water, Drinking Water Academy.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water and Drinking Water Academy (U.S.). Drinking Water Inspectors's Field Reference: For Use When Conducting a Sanitary Survey of a Small Ground Water System. 2003 edition. [Washington, DC]: United States Environmental Protection Agency, Office of Water, Drinking Water Academy, 2004.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water and Drinking Water Academy (U.S.). Drinking Water Inspectors's Field Reference: For Use When Conducting a Sanitary Survey of a Small Ground Water System. 2003 edition. United States Environmental Protection Agency, Office of Water, Drinking Water Academy, 2004.