Caldwell, S. L. (2012). Maritime security: Progress and challenges 10 years after the Maritime Transportation Security Act : testimony before the Subcommittee on Coast Guard and Maritime Transportation, Committee on Transportation and Infrastructure, House of Representatives. U.S. Govt. Accountability Office.
Chicago Style (17th ed.) CitationCaldwell, Stephen L. Maritime Security: Progress and Challenges 10 Years After the Maritime Transportation Security Act : Testimony Before the Subcommittee on Coast Guard and Maritime Transportation, Committee on Transportation and Infrastructure, House of Representatives. [Washington, D.C.]: U.S. Govt. Accountability Office, 2012.
MLA (9th ed.) CitationCaldwell, Stephen L. Maritime Security: Progress and Challenges 10 Years After the Maritime Transportation Security Act : Testimony Before the Subcommittee on Coast Guard and Maritime Transportation, Committee on Transportation and Infrastructure, House of Representatives. U.S. Govt. Accountability Office, 2012.