Pentland, Charles. <br/><br/>
International Theory and European Integration /  

 - 1st ed /  
 - London :   Faber and Faber Ltd. ,   1970 
 - p.283 :  
<br/><br/><label>ISBN: </label>0-571-09916-5 
<br/><br/><label>Dewey Class. No.: </label>W.5  / L3P;1