Russett, Bruce M. <br/><br/>
International regions and the international system  a study in political ecology /  [Texte imprimé] : 
Bruce M. Russett 
 - Westport:  Greenwood Press,  1975 
 - XVI-252 p. :  cartes ;  24 cm 
<br/><br/>Bibliogr. p. 234-245 
<br/><br/><label>ISBN: </label>0-8371-7191-1 
<br/><br/><label>Dewey Class. No.: </label>341.24