Berko, Roy M. <br/><br/>
Communicating :  a social and career focus / 
Roy M. Berko, Andrew D. Wolvin, Darlyn R. Wolvin 
 - Boston :  Houghton Mifflin,  1977 
 - xvi, 299 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0395240735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication