United States. Government Accountability Office & ProQuest (Firm). (2007). Border security: Security of new passports and visas enhanced, but more needs to be done to prevent their fraudulent use : report to congressional requesters. United States Government Accountability Office.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Border Security: Security of New Passports and Visas Enhanced, but More Needs to Be Done to Prevent Their Fraudulent Use : Report to Congressional Requesters. [Washington, D.C.]: United States Government Accountability Office, 2007.
MLA (9th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Border Security: Security of New Passports and Visas Enhanced, but More Needs to Be Done to Prevent Their Fraudulent Use : Report to Congressional Requesters. United States Government Accountability Office, 2007.