United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Coast Guard, Coast and Geodetic Survey, and Navigation, & ProQuest (Firm). (1970). Towboat crew licensing: Hearings, Ninety-first Congress, first session, on H.R. 13987, H.R. 14186 .. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Coast Guard, Coast and Geodetic Survey, and Navigation, and ProQuest (Firm). Towboat Crew Licensing: Hearings, Ninety-first Congress, First Session, on H.R. 13987, H.R. 14186 .. Washington: U.S. Govt. Print. Off, 1970.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Coast Guard, Coast and Geodetic Survey, and Navigation, and ProQuest (Firm). Towboat Crew Licensing: Hearings, Ninety-first Congress, First Session, on H.R. 13987, H.R. 14186 .. U.S. Govt. Print. Off, 1970.