APA

United States, . (1997). Brownfield liability and resource issues: hearing before the Subcommittee on Superfund, Waste Control, and Risk Assessment of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session, March 4, 1997. Washington: U.S. Government Printing Office.

Chicago

United States, . 1997. Brownfield liability and resource issues: hearing before the Subcommittee on Superfund, Waste Control, and Risk Assessment of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session, March 4, 1997. Washington: U.S. Government Printing Office.

Harvard

United States, . (1997). Brownfield liability and resource issues: hearing before the Subcommittee on Superfund, Waste Control, and Risk Assessment of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session, March 4, 1997. Washington: U.S. Government Printing Office.

MLA

United States, . Brownfield liability and resource issues: hearing before the Subcommittee on Superfund, Waste Control, and Risk Assessment of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session, March 4, 1997. Washington: U.S. Government Printing Office. 1997.