United States. Environmental Protection Agency. Office of Ground Water and Drinking Water. Technical Support Center. Labcert bulletin. Technical Support Center of OGWDW.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Ground Water and Drinking Water. Technical Support Center. Labcert Bulletin. Cincinnati, OH: Technical Support Center of OGWDW.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Ground Water and Drinking Water. Technical Support Center. Labcert Bulletin. Technical Support Center of OGWDW.
Warning: These citations may not always be 100% accurate.