United States. Congress. House. Committee on Public Works. Subcommittee on Investigations and Oversight & ProQuest (Firm). (1972). Interstate 75 safety projects in northern Kentucky: Hearing, Ninety-second Congress, first session. September 24, 1971. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Public Works. Subcommittee on Investigations and Oversight and ProQuest (Firm). Interstate 75 Safety Projects in Northern Kentucky: Hearing, Ninety-second Congress, First Session. September 24, 1971. Washington: U.S. Govt. Print. Off, 1972.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Public Works. Subcommittee on Investigations and Oversight and ProQuest (Firm). Interstate 75 Safety Projects in Northern Kentucky: Hearing, Ninety-second Congress, First Session. September 24, 1971. U.S. Govt. Print. Off, 1972.