United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Operations, Safety, and Security. (2015). NextGen: A review of progress, challenges, and opportunities for improving aviation safety and efficiency : hearing before the Subcommittee on Aviation Operations, Safety, and Security of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Thirteenth Congress, second session, June 25, 2014. U.S. Government Publishing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Operations, Safety, and Security. NextGen: A Review of Progress, Challenges, and Opportunities for Improving Aviation Safety and Efficiency : Hearing Before the Subcommittee on Aviation Operations, Safety, and Security of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Thirteenth Congress, Second Session, June 25, 2014. Washington: U.S. Government Publishing Office, 2015.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Operations, Safety, and Security. NextGen: A Review of Progress, Challenges, and Opportunities for Improving Aviation Safety and Efficiency : Hearing Before the Subcommittee on Aviation Operations, Safety, and Security of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Thirteenth Congress, Second Session, June 25, 2014. U.S. Government Publishing Office, 2015.