Oberdorfer D. From the Cold War to a New Era. P. 432.
1931
Ibid. P. 432–433; Barrass G. Great Cold War. P. 366.
1932
Beschloss M., Talbott S. At the Highest Levels. P. 245; Chernyaev A. My Six Years with Gorbachev. P. 283.
1933
Beschloss M., Talbott S. At the Highest Levels. P. 246–247; Oberdorfer D. From the Cold War to a New Era. P. 433–434; Palazhchenko P. My Years with Gorbachev. P. 210.
