Wright, John R. <br/><br/>
Interest groups and congress :  lobbying, contributions and influence / 
John R. Wright 
 - New York, N.Y. :  Longman,  c2003 
 - 214 p. 
 - Longman classics in political science .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0321121872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PRESSURE GROUPS--UNITED STATES
<br/><br/><label>LC Class. No.: </label>JK1118  / W743I