World politics, 92/93 / 
Editor: Helen Purkitt. 
 - 13th ed. 
 - Sluice Dock, Connecticut :  Dushkin/McGraw-Hill,  1992. 
 - 240 p. :  ill. 
 - Annual editions .
<br/><br/><label>ISBN: </label>1561341029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Foreign relations