Key concepts in communication / 
Tim O'Sullivan ... [et al.]. 
 - London :  Methuen,  1983. 
 - 200 p. ;  20 cm. 
 - Studies in communication .
<br/><br/><label>ISBN: </label>0416342507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication studies.<br/>Communication--Handbook, manuals, etc.