More words you need  : teacher' s book and answer key 
/ by B.Rudzka, J. Channell, Y.Putseys, P.Ostyn 
. - London  : Macmillan, 1990
. - IV-57 p.  ; 22 cm. 
<br/><br/><label>ISBN: </label>9780333375105 
<br/><br/><label>Universal Decimal Class. No.: </label>802.0