Teaching and language corpora 
Edi: Anne Wichmann... [and oth.] 
 - 1st edi. 
 - London  Longman  1977 
 - 342 p.  23 cm. 
<br/><br/><label>ISBN: </label>0582276098 
<br/><br/><label>Dewey Class. No.: </label>407 TEA