ソビエト連邦の崩壊
↑ Breslauer, George (2002). Gorbachev and Yeltsin as Leaders. Cambridge: Cambridge University Press. pp. 274–275. ISBN 978-0521892445
↑ Kotz, David and Fred Weir. “The Collapse of the Soviet Union was a Revolution from Above”. The Rise and Fall of the Soviet Union: 155–164.
↑ Edward, Walker (2003). Dissolution: Sovereignty and the Breakup of the Soviet Union. Oxford: Rowman & Littlefield Publishers. p. 185. ISBN 978-0-74252-453-8. https://archive.org/details/dissolutionsover00walk
↑ Greenspan. “Chernobyl Disaster: The Meltdown by the Minute”. HISTORY. 3/29/2021閲覧。
↑ Gorbachev, Mikhail (2006年4月21日). “Turning point at Chernobyl”. Japan Times. https://www.japantimes.co.jp/opinion/2006/04/21/commentary/world-commentary/turning-point-at-chernobyl/