Understanding American government / 
Susan Welch ... [et al.]. 
 - 6th ed. 
 - Belmont, CA :  Wadsworth/Thomson Learning,  c2001. 
 - xx, 570 p. :  ill. (some col.) ;  28 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>053457114X 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government
<br/><br/><label>LC Class. No.: </label>JK271 
<br/><br/><label>Dewey Class. No.: </label>320.473