The American political system :  A radical approach / 
Greensberg, Edward S.  
 - 2nd ed.  
 - Cambridge ; Massachusetts :  Winthrop publishers, Inc.,  c1980 
 - xiii, 477 p. :  ill. ;   25 cm.   includes bibliographies and index 
<br/><br/><label>ISBN: </label>0-87626-041-5 
<br/><br/><label>Subjects--Topical Terms: </label>--1. business and politics-United states
<br/><br/><label>Dewey Class. No.: </label>321.009 73 GRE