APA

United States, . (1974). Report by Comptroller General of United States: implementation of Federal Water Pollution Control Act Amendments of 1972 is slow, Environmental Protection Agency. [Washington, D.C: .

Chicago

United States, . 1974. Report by Comptroller General of United States: implementation of Federal Water Pollution Control Act Amendments of 1972 is slow, Environmental Protection Agency. [Washington, D.C: .

Harvard

United States, . (1974). Report by Comptroller General of United States: implementation of Federal Water Pollution Control Act Amendments of 1972 is slow, Environmental Protection Agency. [Washington, D.C: .

MLA

United States, . Report by Comptroller General of United States: implementation of Federal Water Pollution Control Act Amendments of 1972 is slow, Environmental Protection Agency. [Washington, D.C: . 1974.