United States. Congress. Senate. Committee on Commerce, Science, and Transportation. (2010). The present and future of public safety communications: Hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, first session, February 8, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. The Present and Future of Public Safety Communications: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, First Session, February 8, 2007. Washington: U.S. G.P.O., 2010.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. The Present and Future of Public Safety Communications: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, First Session, February 8, 2007. U.S. G.P.O., 2010.