Hrebenar, Ronald J.,  1945- <br/><br/>
Interest group politics in America / 
Ronald J. Hrebenar and Ruth K. Scott. 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1982. 
 - 275 p. :  ill. ;  23 cm. 
<br/><br/>includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0134692543 
<br/><br/><label>LCCN: </label>81-2833 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pressure groups--United States.<br/>Lobbying--United States.