United States. Congress. Senate. Committee on Commerce, Science, and Transportation, & ProQuest (Firm). (2004). Airline customer service: Hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, second session, June 28, 2000. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation, and ProQuest (Firm). Airline Customer Service: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, Second Session, June 28, 2000. Washington: U.S. G.P.O., 2004.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation, and ProQuest (Firm). Airline Customer Service: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, Second Session, June 28, 2000. U.S. G.P.O., 2004.