Knorr, Klaus. <br/><br/>
Contending approaches to international politics /  [electronic resource]  
edited by Klaus Knorr and James N. Rosenau. 
 - 2. print. 
 - Princeton, N.J.: Princeton University Press,  1970. 
 - 297 p. 23 cm. 
<br/><br/> "Published for the Princeton Center of International Studies".  Bibliographical footnotes. 
<br/><br/><label>ISBN: </label>0691021643 9780691021645 0691056382 9780691056388 
<br/><br/><label>Standard No.: </label>SBRT1691715