Federal water pollution control 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 .... 9

MLA

Federal water pollution control 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 .... 9.

APA

(1977). Federal water pollution control 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 .... 9.

Chicago

Federal water pollution control 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 .... 9.