Duff, Alan <br/><br/>
Translation / 
Duff, Alan. 
 - Oxford:  OUP,  1992. 
 - 160p;25cm 
 - Resourse books for teachers .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0194371042 
<br/><br/><label>Dewey Class. No.: </label>418.02 DUF