Dye, Thomas R. <br/><br/>
Understanding public policy / 
Thomas R. Dye. 
 - 9th ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c1998. 
 - viii, 360 p. :  ill., map ;  25 cm. 
<br/><br/><label>ISBN: </label>9780136391050 
<br/><br/><label>LCCN: </label>97025918  
<br/><br/><label>LC Class. No.: </label>HN65  / .D9 1998 
<br/><br/><label>Dewey Class. No.: </label>361.61