Dye, Thomas R. <br/><br/>
Understanding public policy / 
Thomas R. Dye. 
 - 7th ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  1992. 
 - xiv, 383 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0139336079 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Social policy<br/>United states--Social conditions<br/>United States--Politics and government--20th century