APA

United States, . (2001). The state of the U.S. tourism industry: hearing before the Subcommittee on Commerce, Trade, and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, first session, October 17, 2001. Washington: U.S. G.P.O.

Chicago

United States, . 2001. The state of the U.S. tourism industry: hearing before the Subcommittee on Commerce, Trade, and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, first session, October 17, 2001. Washington: U.S. G.P.O.

Harvard

United States, . (2001). The state of the U.S. tourism industry: hearing before the Subcommittee on Commerce, Trade, and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, first session, October 17, 2001. Washington: U.S. G.P.O.

MLA

United States, . The state of the U.S. tourism industry: hearing before the Subcommittee on Commerce, Trade, and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, first session, October 17, 2001. Washington: U.S. G.P.O. 2001.