United States. Government Accountability Office & ProQuest (Firm). (2007). Transportation security: DHS efforts to eliminate redundant background check investigations : report to congressional committee. GAO.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Transportation Security: DHS Efforts to Eliminate Redundant Background Check Investigations : Report to Congressional Committee. Washington, D.C.: GAO, 2007.
MLA (9th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Transportation Security: DHS Efforts to Eliminate Redundant Background Check Investigations : Report to Congressional Committee. GAO, 2007.
Warning: These citations may not always be 100% accurate.