United States. Congress. Senate. Committee on Environment and Public Works & ProQuest (Firm). (1999). Open space and environmental quality: Hearings before the Committee on Environment and Public Works, United States Senate, One Hundred Sixth Congress, first session, March 17 and 18, 1999, July 7, 1999-Las Vegas, Nevada. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works and ProQuest (Firm). Open Space and Environmental Quality: Hearings Before the Committee on Environment and Public Works, United States Senate, One Hundred Sixth Congress, First Session, March 17 and 18, 1999, July 7, 1999-Las Vegas, Nevada. Washington: U.S. G.P.O., 1999.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works and ProQuest (Firm). Open Space and Environmental Quality: Hearings Before the Committee on Environment and Public Works, United States Senate, One Hundred Sixth Congress, First Session, March 17 and 18, 1999, July 7, 1999-Las Vegas, Nevada. U.S. G.P.O., 1999.