Bell, Jan. <br/><br/>
Upper intermediate matters :  Work book with key / 
Jan Bell, Roger Gower. 
 - 4th impr. 
 - Harlow :  Longman,  1994. 
 - 80 s. :  il., rys. ;  28 cm. 
<br/><br/><label>ISBN: </label>0582046661 
<br/><br/><label>Universal Decimal Class. No.: </label>81=111 Bell Uppe