United States. Congress. House. Committee on Government Operations. Foreign Operations and Government Information Subcommittee. (1974). Telephone monitoring practices by federal agencies: Hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, second session. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Government Operations. Foreign Operations and Government Information Subcommittee. Telephone Monitoring Practices by Federal Agencies: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, Second Session. Washington: U.S. G.P.O., 1974.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Government Operations. Foreign Operations and Government Information Subcommittee. Telephone Monitoring Practices by Federal Agencies: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, Second Session. U.S. G.P.O., 1974.