United States. Congress. Commission on Security and Cooperation in Europe & ProQuest (Firm). (1987). Implementation of the Helsinki accords: Hearing before the Commission on Security and Cooperation in Europe, Ninety-ninth Congress, second session : Vienna followup meeting of the Conference on Security and Cooperation in Europe by Ambassador Warren Zimmermann, September 11, 1986. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Commission on Security and Cooperation in Europe and ProQuest (Firm). Implementation of the Helsinki Accords: Hearing Before the Commission on Security and Cooperation in Europe, Ninety-ninth Congress, Second Session : Vienna Followup Meeting of the Conference on Security and Cooperation in Europe by Ambassador Warren Zimmermann, September 11, 1986. Washington: U.S. G.P.O., 1987.
MLA (9th ed.) CitationUnited States. Congress. Commission on Security and Cooperation in Europe and ProQuest (Firm). Implementation of the Helsinki Accords: Hearing Before the Commission on Security and Cooperation in Europe, Ninety-ninth Congress, Second Session : Vienna Followup Meeting of the Conference on Security and Cooperation in Europe by Ambassador Warren Zimmermann, September 11, 1986. U.S. G.P.O., 1987.