United States. Environmental Protection Agency. Effluent Guidelines Division & United States. Environmental Protection Agency. Office of Water & Waste Management. Metals & Machinery Branch. (1981). Development document for the porcelain enameling point source category. Effluent Guidelines Division, Office of Water and Waste Management, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Effluent Guidelines Division and United States. Environmental Protection Agency. Office of Water & Waste Management. Metals & Machinery Branch. Development Document for the Porcelain Enameling Point Source Category. Washington, D.C.: Effluent Guidelines Division, Office of Water and Waste Management, U.S. Environmental Protection Agency, 1981.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Effluent Guidelines Division and United States. Environmental Protection Agency. Office of Water & Waste Management. Metals & Machinery Branch. Development Document for the Porcelain Enameling Point Source Category. Effluent Guidelines Division, Office of Water and Waste Management, U.S. Environmental Protection Agency, 1981.