United States. Environmental Protection Agency. Hazardous Site Evaluation Division. (1992). PREscore software users manual & tutorial: Version 1.0. U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response, Office of Emergency and Remedial Response, Hazardous Site Evaluation Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Hazardous Site Evaluation Division. PREscore Software Users Manual & Tutorial: Version 1.0. Washington, DC: U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response, Office of Emergency and Remedial Response, Hazardous Site Evaluation Division, 1992.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Hazardous Site Evaluation Division. PREscore Software Users Manual & Tutorial: Version 1.0. U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response, Office of Emergency and Remedial Response, Hazardous Site Evaluation Division, 1992.