Gateways to democracy :  an introduction to American government : the essentials / 
John G. Geer ... [et al.]. 
 - Boston, MA :  Wadsworth Cengage Learning,  2012. 
 - xxxviii, 600 p. :  ill. (chiefly col.), col. maps ;  28 cm. 
<br/><br/>Includes bibliographical references (p. 564-587) and index. 
<br/><br/><label>ISBN: </label>9780495906193 (student ed. : pbk.)  RM315.59 0495906190 (student ed. : pbk.) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government--Textbooks.