Dillingham, G. L. (2012). Next Generation Air Transportation system: FAA faces implementation challenges : testimony before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representation. U.S. Govt. Accountability Office.
Chicago Style (17th ed.) CitationDillingham, Gerald Lee. Next Generation Air Transportation System: FAA Faces Implementation Challenges : Testimony Before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representation. [Washington, D.C.]: U.S. Govt. Accountability Office, 2012.
MLA (9th ed.) CitationDillingham, Gerald Lee. Next Generation Air Transportation System: FAA Faces Implementation Challenges : Testimony Before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representation. U.S. Govt. Accountability Office, 2012.