Principles and practices for teaching English as an international language / 
edited by Lubna Alsagoff ... [et al.] 
 - New York, NY :  Routledge,  2012 
 - ix, 362 p. :  ill. ;  23 cm. 
 - ESL & applied linguistics professional series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780415891660 (hbk.) 9780415891677 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign speakers<br/>Lingua francas