Modelski, George. <br/><br/>
Principles of world politics / 
[by] George Modelski. 
 - New York:  Free Press;  [1972] 
 - x, 370 p.  illus.  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations.<br/>Relations
<br/><br/><label>Dewey Class. No.: </label>327.11  / MOP 1972