Research methods in mass communication / 
edited by Guido H.Stempel and Bruce H.Westley. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1981. 
 - 405 pages ;  24 cm. 
<br/><br/><label>ISBN: </label>0137742401 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commuication--Methodology--Addresses, essays, lectures.<br/>Mass media--Methodology--Addresses, essays, lectures.