U. S. Environmental Protection Agency. Office of Research and Development. (1979). Process design manual for sludge treatment and disposal. Ohio.
Chicago-Zitierstil (17. Ausg.)U. S. Environmental Protection Agency. Office of Research and Development. Process Design Manual for Sludge Treatment and Disposal. Cincinnati: Ohio, 1979.
MLA-Zitierstil (9. Ausg.)U. S. Environmental Protection Agency. Office of Research and Development. Process Design Manual for Sludge Treatment and Disposal. Ohio, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.