Dahl, Robert Alan ,1915- <br/><br/>
Polyarchy ; participation and opposition 
by Robert A. Dahl 
 -  Yale University Press New Haven  1971  1971 
 - 257 p. ; 21 cm. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>0300013914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opposition (Political science)<br/>Political participation--JF
<br/><br/><label>LC Class. No.: </label>JF518.D32