Franklin

MLA

Clean Air Act Amendments of 1977 : Hearing Before the Subcommittee On Environmental Pollution of the Committee On Environment and Public Works, United States Senate, Ninety-fifth Congress, First Session, On S. 251, S. 252, and S. 253 ... 2. .

APA

Clean air act amendments of 1977 : hearing before the Subcommittee on Environmental Pollution of the Committee on Environment and Public Works, United States Senate, Ninety-fifth Congress, first session, on S. 251, S. 252, and S. 253 ... 2. .

Chicago

Clean Air Act Amendments of 1977 : Hearing before the Subcommittee On Environmental Pollution of the Committee On Environment and Public Works, United States Senate, Ninety-Fifth Congress, First Session, On S. 251, S. 252, and S. 253 ... 2.