Ingram, David <br/><br/>
First language acquisition :  method, description, and explanation / 
David Ingram 
 - Cambridge :  Cambridge University Press,  1989 
 - 572 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0521341094 
<br/><br/><label>LCCN: </label>88-016215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language acquisition