Dennis Kavanagh. Chebrikov, Viktor. A Dictionary of Political Biography. Oxford University Press. 1998: 99 [31 August 2013]. (原始内容存档于2016-03-03). – 通过Questia
Dennis Kavanagh. Chebrikov, Viktor. A Dictionary of Political Biography. Oxford University Press. 1998: 99 [31 August 2013]. (原始内容存档于2016-03-03). – 通过Questia