APA

United States, United States, . (2002). Airline security: joint hearing before a subcommittee of the Committee on Appropriations, United States Senate and the House of Representatives, One Hundred Seventh Congress, first session, special hearing, Thursday, September 20, 2001, Washington, DC. Washington: U.S. Government Printing Office.

Chicago

United States, United States, . 2002. Airline security: joint hearing before a subcommittee of the Committee on Appropriations, United States Senate and the House of Representatives, One Hundred Seventh Congress, first session, special hearing, Thursday, September 20, 2001, Washington, DC. Washington: U.S. Government Printing Office.

Harvard

United States, United States, . (2002). Airline security: joint hearing before a subcommittee of the Committee on Appropriations, United States Senate and the House of Representatives, One Hundred Seventh Congress, first session, special hearing, Thursday, September 20, 2001, Washington, DC. Washington: U.S. Government Printing Office.

MLA

United States, United States, . Airline security: joint hearing before a subcommittee of the Committee on Appropriations, United States Senate and the House of Representatives, One Hundred Seventh Congress, first session, special hearing, Thursday, September 20, 2001, Washington, DC. Washington: U.S. Government Printing Office. 2002.