Schapiro, Leonard.
The Russian revolutions of 1917: the origins of modern communism /
Leonard Schapiro 
. - [London] : Basic Books,  1984 
. - xi, 239 p.  maps  23 cm. 
<br/>К.: Бібліогр. : с. 223-230. 
<br/><label>  ISBN: </label>0-465-07156-2