Burleigh, Michael (2021-05-27). Day of the Assassins: A History of Political Murder (на језику: енглески). Pan Macmillan. ISBN978-1-5290-3015-0. „... when a young KGB assassin of Ukrainian origin, Bohdan Stashynsky, used a cyanide spray gun against a Ukrainian nationalist ideologue, before using the same device against the wartime Ukrainian nationalist leader Stepan Bandera in ...”