Language development over the lifespan / 
edited by Kees de Bot and Robert W. Schrauf 
 - New York :  Routledge,  2009 
 - vi, 313 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780415998536 (hbk.) :  RM392.00 9780805864601 (pbk.) 0415998530 (hbk.) 0805864601 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language acquisition