Roskin, Michael,  1939- <br/><br/>
IR :  the new world of international relations / 
 New world of international relations 
Michael G. Roskin, Nicholas O. Berry 
 - 4th ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  1999 
 - x, 422 p. :  ill. (some col.), maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0139738681 
<br/><br/><label>LCCN: </label>98-035919 
<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