United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation. (2009). Aviation consumer issues: Emergency contingency planning and outlook for summer travel : hearing before the Subcommittee on Aviation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Eleventh Congress, first session, May 20, 2009. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation. Aviation Consumer Issues: Emergency Contingency Planning and Outlook for Summer Travel : Hearing Before the Subcommittee on Aviation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Eleventh Congress, First Session, May 20, 2009. Washington: U.S. G.P.O., 2009.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation. Aviation Consumer Issues: Emergency Contingency Planning and Outlook for Summer Travel : Hearing Before the Subcommittee on Aviation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Eleventh Congress, First Session, May 20, 2009. U.S. G.P.O., 2009.