Ingram, David. <br/><br/>
First language acquisition :  method, description, and explanation / 
by David Ingram. 
 - Cambridge [England] ;  New York, N.Y. :  Cambridge University Press,  1989. 
 - xi, 572 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references : (p. 519-548) and index. 
<br/><br/>The history of child language studies--Stages of language acquisition--Explanation and language acquisition--The period of prelinguistic development. 
<br/><br/><label>ISBN: </label>0521349168 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language acquisition.