Swan,Michael (ed) <br/><br/>
Learner english : a teacher's guide to interference and other problems / 
Swan,Michael (ed). 
 - 6th ed 
 - New york:  Cambridge University Press,  1992. 
 - xv,264p;21cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521262836 
<br/><br/><label>Dewey Class. No.: </label>428.007 LEA