United States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection. (2009). Chemical security, a rising concern for America: Examination of the Department's chemical security regulations and its effect on the public and private sector : hearing before the Subcommittee on Transportation Security and Infrastructure Protection of the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, first session, July 24, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection. Chemical Security, a Rising Concern for America: Examination of the Department's Chemical Security Regulations and Its Effect on the Public and Private Sector : Hearing Before the Subcommittee on Transportation Security and Infrastructure Protection of the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, First Session, July 24, 2007. Washington: U.S. G.P.O., 2009.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection. Chemical Security, a Rising Concern for America: Examination of the Department's Chemical Security Regulations and Its Effect on the Public and Private Sector : Hearing Before the Subcommittee on Transportation Security and Infrastructure Protection of the Committee on Homeland Security, House of Representatives, One Hundred Tenth Congress, First Session, July 24, 2007. U.S. G.P.O., 2009.