Understanding politics : ideas, institutions, and issues 
Magstadt, Thomas M. 
 - 9th edition. 
 -  Cengage Learning.  2011 
 - xxi, 700 p. 
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<br/><br/><label>ISBN: </label>978-1-43908526-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science.
<br/><br/><label>Dewey Class. No.: </label>320 M212 2011