Ferguson, Sherry Devereaux <br/><br/>
Researching the public opinion environment :  theories and methods / 
Sherry Devereaux Ferguson. 
 - Thousand Oaks, California :  Sage Publications,  c2000. 
 - xvi, 296 p. ;  24 cm. 
 - Sage series in public relations: v.3 .
<br/><br/>Includes bibliographical references (p. 263-282) and index. 
<br/><br/><label>ISBN: </label>0761915311  RM157.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public opinion<br/>Public opinion polls