* [http://books.google.rs/books?id{{cite book|last=gTIZ2dvDKF0C&printsecDaniels|first=frontcover&hlRobert Vincent|title=sr&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false A Documentary History of Communism in Russia: From Lenin to Gorbachev аутор|url=http://books.google.com/books?id=gTIZ2dvDKF0C|date=1 RobertJanuary Vincent Daniels]1993|publisher=UPNE|isbn=978-0-87451-616-6}}
