Zaller, John R. <br/><br/>
The nature and origins of mass opinion 
John R.Zaller 
 - Canada:  Cambridge university press,  1992. 
 -  xiii,367p. 
<br/><br/> HB 
<br/><br/>Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0521404495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public opinion polls
<br/><br/><label>Dewey Class. No.: </label>303.38  / ZAN