Dye, Thomas R. <br/><br/>
Understanding public policy / 
Thomas R. Dye. 
 - 4th ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1981. 
 - xiii, 401 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0139362606  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Social policy.<br/>United States--Social conditions--1980-
<br/><br/><label>Dewey Class. No.: </label>320.60973  / DYU