United States. Congress. House. Committee on Ways and Means & ProQuest (Firm). (1990). Commercial operations of the U.S. Customs Service: Hearings before the Subcommittee on Trade of the Committee on Ways and Means, House of Representatives, One Hundred First Congress, second session, May 2, and 3, 1990. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Ways and Means and ProQuest (Firm). Commercial Operations of the U.S. Customs Service: Hearings Before the Subcommittee on Trade of the Committee on Ways and Means, House of Representatives, One Hundred First Congress, Second Session, May 2, and 3, 1990. Washington: U.S. G.P.O., 1990.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Ways and Means and ProQuest (Firm). Commercial Operations of the U.S. Customs Service: Hearings Before the Subcommittee on Trade of the Committee on Ways and Means, House of Representatives, One Hundred First Congress, Second Session, May 2, and 3, 1990. U.S. G.P.O., 1990.