Verba, Sidney, <br/><br/>
Participation and political equality  a seven-nation comparison 
Sidney Verba, Norman H. Nie, Jae-On Kim. 
 - Cambridge:  Cambridge University Press,  1978. 
 - xxi, 394 pages :    illustration ;    24 cm. 
<br/><br/>p. 376-386. 
<br/><br/><label>ISBN: </label>0521219051 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Political participation.<br/> Comparative government.