United States. Congress. House. Committee on Science and Technology & ProQuest (Firm). (2008). Bridge safety: Next steps to protect the nation's critical infrastructure : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, first session, September 19, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Science and Technology and ProQuest (Firm). Bridge Safety: Next Steps to Protect the Nation's Critical Infrastructure : Hearing Before the Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, September 19, 2007. Washington: U.S. G.P.O., 2008.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Science and Technology and ProQuest (Firm). Bridge Safety: Next Steps to Protect the Nation's Critical Infrastructure : Hearing Before the Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, September 19, 2007. U.S. G.P.O., 2008.