↑Robert A. Jones. The Soviet concept of "limited sovereignty" from Lenin to Gorbachev: the Brezhnev Doctrine. MacMillan, 1990. Pp. 133.
↑Stephen White. Russia's new politics: the management of a postcommunist society. Fourth edition. Cambridge, England, UK: Cambridge University Press, 2004. Pp. 182.
↑Laurence Rees: Hitler i Stalin Wojna Stulecia. Warszawa: Prószyński, 1999, s. 106. ISBN 83-7469-183-2.