Cumberbatch, Guy. <br/><br/>
A measure of uncertainty :  the effects of the mass media / 
Guy Cumberbatch with Dennis Howitt. 
 - London :  John Libbey,  1989. 
 - 88 p. ;  25 cm. 
 - Research monograph series (Broadcasting Standards Council)  1. .
<br/><br/><label>ISBN: </label>0861962311 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Influence.