United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Competitiveness, Innovation, and Export Promotion. (2010). Tourism in troubled times: Hearing before the Subcommittee on Competitiveness, Innovation, and Export Promotion of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, first session, May 13, 2009. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Competitiveness, Innovation, and Export Promotion. Tourism in Troubled Times: Hearing Before the Subcommittee on Competitiveness, Innovation, and Export Promotion of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, First Session, May 13, 2009. Washington: U.S. G.P.O., 2010.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Competitiveness, Innovation, and Export Promotion. Tourism in Troubled Times: Hearing Before the Subcommittee on Competitiveness, Innovation, and Export Promotion of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, First Session, May 13, 2009. U.S. G.P.O., 2010.