Gorbachev, M. (1988). On progress in implementing the decisions of the 27th CPSU Congress and the tasks of promoting perestroika: Report by the General Secretary of the CPSU Central Committee to the 19th All-Union Party Conference, June 28, 1988. Moscow: Novosti Press Agency.

Gorbachev, Mikhail. On Progress in Implementing the Decisions of the 27th CPSU Congress and the Tasks of Promoting Perestroika: Report By the General Secretary of the CPSU Central Committee to the 19th All-Union Party Conference, June 28, 1988. Moscow: Novosti Press Agency, 1988.

Gorbachev, Mikhail. On Progress in Implementing the Decisions of the 27th CPSU Congress and the Tasks of Promoting Perestroika: Report By the General Secretary of the CPSU Central Committee to the 19th All-Union Party Conference, June 28, 1988. Moscow: Novosti Press Agency, 1988.