U. S. Environmental Protection Agency. Office of Research and Development. (1979). Process design manual for sludge treatment and disposal. Ohio.
Citação norma ChicagoU. S. Environmental Protection Agency. Office of Research and Development. Process Design Manual for Sludge Treatment and Disposal. Cincinnati: Ohio, 1979.
Citação norma MLAU. S. Environmental Protection Agency. Office of Research and Development. Process Design Manual for Sludge Treatment and Disposal. Ohio, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.