Caldwell, S. L. (2008). Supply chain security: U.S. Customs and Border Protection has enhanced its partnership with import trade sectors, but challenges remain in verifying security practices. U.S. Govt. Accountability Office.
Chicago Style (17th ed.) CitationCaldwell, Stephen L. Supply Chain Security: U.S. Customs and Border Protection Has Enhanced Its Partnership with Import Trade Sectors, but Challenges Remain in Verifying Security Practices. [Washington, D.C.]: U.S. Govt. Accountability Office, 2008.
MLA (9th ed.) CitationCaldwell, Stephen L. Supply Chain Security: U.S. Customs and Border Protection Has Enhanced Its Partnership with Import Trade Sectors, but Challenges Remain in Verifying Security Practices. U.S. Govt. Accountability Office, 2008.
Warning: These citations may not always be 100% accurate.