United States. Office of Noise Abatement and Control. (1981). Regulatory analysis for the noise emission regulations for motorcycles and motorcycle exhaust systems. U.S. Environmental Protection Agency, Office of Noise Abatement and Control.
Chicago Style (17th ed.) CitationUnited States. Office of Noise Abatement and Control. Regulatory Analysis for the Noise Emission Regulations for Motorcycles and Motorcycle Exhaust Systems. Washington, D.C.: U.S. Environmental Protection Agency, Office of Noise Abatement and Control, 1981.
MLA (9th ed.) CitationUnited States. Office of Noise Abatement and Control. Regulatory Analysis for the Noise Emission Regulations for Motorcycles and Motorcycle Exhaust Systems. U.S. Environmental Protection Agency, Office of Noise Abatement and Control, 1981.