Herschensohn, Julia Rogers,  1945- <br/><br/>
Language development and age / 
Julia Herschensohn 
 - Cambridge :  Cambridge University Press,  2007 
 - xiv, 289 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 242-285) and index 
<br/><br/><label>ISBN: </label>9780521872973 (hbk.)  RM398.20 0521872979 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language acquisition--Age factors<br/>Second language acquisition