APA

United States, . (1999). Salmon recovery on the Columbia and Snake rivers: hearing before the Subcommittee on Drinking Water, Fisheries, and Wildlife of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, second session, October 8, 1998. Washington: U.S. Government Printing Office.

Chicago

United States, . 1999. Salmon recovery on the Columbia and Snake rivers: hearing before the Subcommittee on Drinking Water, Fisheries, and Wildlife of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, second session, October 8, 1998. Washington: U.S. Government Printing Office.

Harvard

United States, . (1999). Salmon recovery on the Columbia and Snake rivers: hearing before the Subcommittee on Drinking Water, Fisheries, and Wildlife of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, second session, October 8, 1998. Washington: U.S. Government Printing Office.

MLA

United States, . Salmon recovery on the Columbia and Snake rivers: hearing before the Subcommittee on Drinking Water, Fisheries, and Wildlife of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, second session, October 8, 1998. Washington: U.S. Government Printing Office. 1999.