APA

United States, . (1974). Economic impact of Federal water pollution control financing requirements on marginal industries: hearing before the Committee on Public Works, United States Senate, Ninety-third Congress, second session, June 18, 1974. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1974. Economic impact of Federal water pollution control financing requirements on marginal industries: hearing before the Committee on Public Works, United States Senate, Ninety-third Congress, second session, June 18, 1974. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1974). Economic impact of Federal water pollution control financing requirements on marginal industries: hearing before the Committee on Public Works, United States Senate, Ninety-third Congress, second session, June 18, 1974. Washington: U.S. Govt. Print. Off.

MLA

United States, . Economic impact of Federal water pollution control financing requirements on marginal industries: hearing before the Committee on Public Works, United States Senate, Ninety-third Congress, second session, June 18, 1974. Washington: U.S. Govt. Print. Off. 1974.