Cunningham, Murray <br/><br/>
Communication :  from principles to practices / 
Murray Cunningham 
 - Toronto ; New York :  McGraw-Hill Ryerson,  1978. 
 - ix, 292 pages :  ill. ;  24cm. 
<br/><br/><label>ISBN: </label>0070826633 
<br/><br/><label>Dewey Class. No.: </label>428  / CUC 1978