Hilsman, Roger, <br/><br/>
The politics of policy making in defense and foreign affairs :  conceptual models and bureaucratic politics / 
Roger Hilsman. 
 - 2nd ed. 
 - Englewood Cliffs, N. J. :  Prentice Hall,  1990. 
 - 337 pages ;  25 cm. 
<br/><br/><label>ISBN: </label>0136841686 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Foreign relations--1945.