Gorbachev, M. S. (1986). Mikhail Gorbachev: The political Bureau of the CPSU Central committee and the government of the Soviet Union, guided by their responsibility for the world's destiny, have decided to extend the unilateral moratorium on nuclear explosions until January 1, 1987. Moscow: Novosti Press Agency Pub. House.

Gorbachev, Mikhail Sergeevich. Mikhail Gorbachev: The Political Bureau of the CPSU Central Committee and the Government of the Soviet Union, Guided By Their Responsibility for the World's Destiny, Have Decided to Extend the Unilateral Moratorium On Nuclear Explosions Until January 1, 1987. Moscow: Novosti Press Agency Pub. House, 1986.

Gorbachev, Mikhail Sergeevich. Mikhail Gorbachev: The Political Bureau of the CPSU Central Committee and the Government of the Soviet Union, Guided By Their Responsibility for the World's Destiny, Have Decided to Extend the Unilateral Moratorium On Nuclear Explosions Until January 1, 1987. Moscow: Novosti Press Agency Pub. House, 1986.