United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight. (1986). National minimum drinking age law: Hearing before the Subcommittee on Investigations and Oversight of the Committee on Public Works and Transportation, House of Representatives, Ninety-ninth Congress, second session, September 18, 1986. Washington: U.S. Government Printing Office.

United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight. National Minimum Drinking Age Law: Hearing Before the Subcommittee On Investigations and Oversight of the Committee On Public Works and Transportation, House of Representatives, Ninety-ninth Congress, Second Session, September 18, 1986. Washington: U.S. Government Printing Office, 1986.

United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight. National Minimum Drinking Age Law: Hearing Before the Subcommittee On Investigations and Oversight of the Committee On Public Works and Transportation, House of Representatives, Ninety-ninth Congress, Second Session, September 18, 1986. Washington: U.S. Government Printing Office, 1986.