United States. Congress. Senate. Committee on Governmental Affairs. Permanent Subcommittee on Investigations & ProQuest (Firm). (1985). Federal government security clearance programs: Hearings before the Permanent Subcommittee on Investigations of the Committee on Governmental Affairs, United States Senate, Ninety-ninth Congress, first session, April 16, 17, 18, and 25, 1985. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Governmental Affairs. Permanent Subcommittee on Investigations and ProQuest (Firm). Federal Government Security Clearance Programs: Hearings Before the Permanent Subcommittee on Investigations of the Committee on Governmental Affairs, United States Senate, Ninety-ninth Congress, First Session, April 16, 17, 18, and 25, 1985. Washington, DC: U.S. G.P.O., 1985.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Governmental Affairs. Permanent Subcommittee on Investigations and ProQuest (Firm). Federal Government Security Clearance Programs: Hearings Before the Permanent Subcommittee on Investigations of the Committee on Governmental Affairs, United States Senate, Ninety-ninth Congress, First Session, April 16, 17, 18, and 25, 1985. U.S. G.P.O., 1985.