Dillingham, G. L. (2016). Commercial space: Industry developments and FAA challenges: testimony before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representatives. United States Government Accountability Office.
Chicago Style (17th ed.) CitationDillingham, Gerald Lee. Commercial Space: Industry Developments and FAA Challenges: Testimony Before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representatives. [Washington, D.C.]: United States Government Accountability Office, 2016.
MLA (9th ed.) CitationDillingham, Gerald Lee. Commercial Space: Industry Developments and FAA Challenges: Testimony Before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representatives. United States Government Accountability Office, 2016.