United States. Dept. of Agriculture, Municipal Environmental Research Laboratory, Municipal Environmental Research Laboratory. Wastewater Research Division, United States. Science and Education Administration. Agricultural Research, & Willson, G. B. (1980). Manual for composting sewage sludge by the Beltsville aerated-pile method. Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service.
Citazione stile Chigago Style (17a edizione)United States. Dept. of Agriculture, Municipal Environmental Research Laboratory, Municipal Environmental Research Laboratory. Wastewater Research Division, United States. Science and Education Administration. Agricultural Research, e G. B. Willson. Manual for Composting Sewage Sludge by the Beltsville Aerated-pile Method. Cincinnati, Ohio : Springfield, Va.: Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service, 1980.
Citatione MLA (8a ed.)United States. Dept. of Agriculture, et al. Manual for Composting Sewage Sludge by the Beltsville Aerated-pile Method. Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service, 1980.