Bilingualism and multilingualism : critical concepts in linguistics 
edited by Li Wei 
 - New York  Routledge  2010 
 - 4 v. : ill. ; 25 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780415462709 
<br/><br/><label>ISSN: </label>2009003474 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bilingualism<br/>Multilingualism
<br/><br/><label>Dewey Class. No.: </label>402 WEI.1