Roskin, Michael. <br/><br/>
IR :  the new world of international relations / 
 New world of international relations. 
by Michael Roskin, Nicholas O. Berry. 
 - 5th ed. 
 - Upper Saddle River, N.J. :  Prentice-Hall,  2001. 
 - xxv, 342 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0130324949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations.<br/>World politics.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Foreign relations.