United States. Congress. Senate. Committee on Commerce. Merchant Marine Subcommittee & ProQuest (Firm). (1972). Licensing of personnel on certain vessels: Hearing, Ninety-second Congress, second session, on H.R. 6479 . U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce. Merchant Marine Subcommittee and ProQuest (Firm). Licensing of Personnel on Certain Vessels: Hearing, Ninety-second Congress, Second Session, on H.R. 6479 . Washington: U.S. Govt. Print. Off, 1972.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce. Merchant Marine Subcommittee and ProQuest (Firm). Licensing of Personnel on Certain Vessels: Hearing, Ninety-second Congress, Second Session, on H.R. 6479 . U.S. Govt. Print. Off, 1972.