Interest Group Politics 
edited by Allan J.Cigler, Burdett A. Loomis. 
 - Third edition. 
 -  Congressional Quarterly, Inc.  1991 
 - viii, 423 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-87187-562-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pressure groups -- United States.
<br/><br/><label>Dewey Class. No.: </label>322.409 C565 1991