BULLOWA,Margaret <br/><br/>
Before speech :  the beginning of interpersonal communication/ 
edited by Margaret Bullowa 
 - Cambridge   Cambridge University Press,  c1979. 
 - viii, 400 p. :  ill. ; 
<br/><br/> Includes bibliography and index 
<br/><br/><label>ISBN: </label>0521220319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interpersonal communication 
<br/><br/><label>Dewey Class. No.: </label>155.4