Hart, N. W. M. <br/><br/>
The language of children :  a key to literacy / 
N. W. M. Hart, R. F. Walker, B. Gray. 
 - Reading, Mass. :  Addison-Wesley Pub. Co.,  c1977. 
 - x, 131 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p. 130-131. 
<br/><br/><label>ISBN: </label>0201053012 
<br/><br/><label>LCCN: </label>76055881  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children--Language.
<br/><br/><label>LC Class. No.: </label>LB1139.L3  / H28 
<br/><br/><label>Dewey Class. No.: </label>401.930 83 HAR