Understanding public policy 
Dye, Thomas R. 
 - 10th ed. 
 -  Prentice Hall,  2002 
 - xii, 335p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-13-026008-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political planning -- United States.
<br/><br/><label>Dewey Class. No.: </label>320.60973 D995 2002