APA

United States, . (1997). National Wildlife Refuge System Improvement Act of 1997: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session on S. 1059 a bill to amend the National Wildlife Refuge System Administration Act of 1996 to improve the management of the national wildlife refuge system, and for other purposes, July 30, 1997. Washington: U.S. Government Printing Office.

Chicago

United States, . 1997. National Wildlife Refuge System Improvement Act of 1997: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session on S. 1059 a bill to amend the National Wildlife Refuge System Administration Act of 1996 to improve the management of the national wildlife refuge system, and for other purposes, July 30, 1997. Washington: U.S. Government Printing Office.

Harvard

United States, . (1997). National Wildlife Refuge System Improvement Act of 1997: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session on S. 1059 a bill to amend the National Wildlife Refuge System Administration Act of 1996 to improve the management of the national wildlife refuge system, and for other purposes, July 30, 1997. Washington: U.S. Government Printing Office.

MLA

United States, . National Wildlife Refuge System Improvement Act of 1997: hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session on S. 1059 a bill to amend the National Wildlife Refuge System Administration Act of 1996 to improve the management of the national wildlife refuge system, and for other purposes, July 30, 1997. Washington: U.S. Government Printing Office. 1997.