Berrick, C. A. (2007). Transportation security: TSA has made progress in implementing the Transportation Worker Identification Credential Program, but challenges remain : testimony before the Committee on Homeland Security, House of Representatives. U.S. Govt. Accountability Office.
Chicago Style (17th ed.) CitationBerrick, Cathleen A. Transportation Security: TSA Has Made Progress in Implementing the Transportation Worker Identification Credential Program, but Challenges Remain : Testimony Before the Committee on Homeland Security, House of Representatives. [Washington, D.C.]: U.S. Govt. Accountability Office, 2007.
MLA (9th ed.) CitationBerrick, Cathleen A. Transportation Security: TSA Has Made Progress in Implementing the Transportation Worker Identification Credential Program, but Challenges Remain : Testimony Before the Committee on Homeland Security, House of Representatives. U.S. Govt. Accountability Office, 2007.