Brzezinski, Zbigniew K..
The soviet bloc : unity and conflict. - Revised and enlarged edition /

. - Cambridge ; London  : Harvard University Press,  1981 
. - XVIII, 599 p.  24 cm. 
 - ((Russian Research Center. Study ; No. 37) )
<br/>К.: Бібліогр. : с. 559-576. 
<br/><label>  ISBN: </label>0-674-82548-9