Dahl, Robert A. <br/><br/>
Polyarchy :  participation and opposition / 
by Robert A. Dahl. 
 - New Haven, Conn. :  Yale University Press,  1971. 
 - 257 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0300015658 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science.<br/>Government and political science--Current events<br/>Government and political science--General--History, theory and practice.