Cigler, Allan J. <br/><br/>
Interest groups politics / 
Allan J. Cigler. 
 - 2nd ed. 
 - Washington :  Congressional Quarterly,  c1986. 
 - 319 p. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0871873729 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pressure groups--United States.
<br/><br/><label>LC Class. No.: </label>JK 1118  / .I565