Interest group politics / 
edited by Allan J. Cigler, Burdett A. Loomis. 
 - 8th ed. 
 - Washington, DC :  CQ Press,  2012. 
 - xi, 419 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781604266375 (pbk. : alk. paper)  RM178.18 1604266376 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pressure groups--United States.