Hopper, Robert. <br/><br/>
Children's speech:  a practical introduction to communication development 
[by] Robert Hopper [and] Rita C. Naremore. 
 - New York,  Harper & Row  [1973] 
 - x, 140 p.  21 cm. 
<br/><br/>Bibliography: p. 135-138. 
<br/><br/><label>ISBN: </label>0060447222 
<br/><br/><label>LCCN: </label>72086372  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language acquisition.
<br/><br/><label>LC Class. No.: </label>P136  / .H6 
<br/><br/><label>Dewey Class. No.: </label>401.930 83 HOP N