APA

United States, United States, . (1995). GAO's study of the national park system: joint hearing before the Subcommittee on Parks, Historic Preservation, and Recreation of the Senate Committee on Energy and Natural Resources and the Subcommittee on National Parks, Forests, and Lands of the House Committee on Resources, One Hundred Fourth Congress, first session, on the General Accounting Office's study of the national park system, March 7, 1995. Washington: U.S. Government Printing Office.

Chicago

United States, United States, . 1995. GAO's study of the national park system: joint hearing before the Subcommittee on Parks, Historic Preservation, and Recreation of the Senate Committee on Energy and Natural Resources and the Subcommittee on National Parks, Forests, and Lands of the House Committee on Resources, One Hundred Fourth Congress, first session, on the General Accounting Office's study of the national park system, March 7, 1995. Washington: U.S. Government Printing Office.

Harvard

United States, United States, . (1995). GAO's study of the national park system: joint hearing before the Subcommittee on Parks, Historic Preservation, and Recreation of the Senate Committee on Energy and Natural Resources and the Subcommittee on National Parks, Forests, and Lands of the House Committee on Resources, One Hundred Fourth Congress, first session, on the General Accounting Office's study of the national park system, March 7, 1995. Washington: U.S. Government Printing Office.

MLA

United States, United States, . GAO's study of the national park system: joint hearing before the Subcommittee on Parks, Historic Preservation, and Recreation of the Senate Committee on Energy and Natural Resources and the Subcommittee on National Parks, Forests, and Lands of the House Committee on Resources, One Hundred Fourth Congress, first session, on the General Accounting Office's study of the national park system, March 7, 1995. Washington: U.S. Government Printing Office. 1995.