United States. Government Accountability Office & ProQuest (Firm). (2006). Homeland security: DHS is taking steps to enhance security at chemical facilities, but additional authority is needed : report to Congressional requesters. U.S. Government Accountability Office.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Homeland Security: DHS Is Taking Steps to Enhance Security at Chemical Facilities, but Additional Authority Is Needed : Report to Congressional Requesters. Washington, DC: U.S. Government Accountability Office, 2006.
MLA (9th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Homeland Security: DHS Is Taking Steps to Enhance Security at Chemical Facilities, but Additional Authority Is Needed : Report to Congressional Requesters. U.S. Government Accountability Office, 2006.