Robertson, David Bruce. <br/><br/>
A theory of party competition / 
David Robertson. 
 - London ; New York :  London ; New York :  J. Wiley,  c1976. 
<br/><br/>Bibliography: p. [208]-210. 
<br/><br/><label>ISBN: </label>0471727377 
<br/><br/><label>LCCN: </label>74023542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political parties.<br/>Democracy.
<br/><br/><label>LC Class. No.: </label>JF2051  / .R6 
<br/><br/><label>Dewey Class. No.: </label>329/.001