United States. Government Accountability Office & ProQuest (Firm). (2006). Information technology: Immigration and Customs enforcement is beginning to address infrastructure modernization program weaknesses but key improvements still needed : report to congressional committees. GAO.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Information Technology: Immigration and Customs Enforcement Is Beginning to Address Infrastructure Modernization Program Weaknesses but Key Improvements Still Needed : Report to Congressional Committees. Washington, D.C.: GAO, 2006.
MLA (9th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Information Technology: Immigration and Customs Enforcement Is Beginning to Address Infrastructure Modernization Program Weaknesses but Key Improvements Still Needed : Report to Congressional Committees. GAO, 2006.