Jones, Leo  (1943- ). <br/><br/>
Working in English :  student's book / 
Leo Jones. 
 - Cambridge :  Cambridge University Press,  cop. 2001. 
 - 144 s. :  il. (w tym kolor.) ;  28 cm. 
 - Cambridge Professional English .
 - Cambridge Professional English .
<br/><br/><label>ISBN: </label>0521776848 052177683X 0521776856 0521776821 0521776813 0521776791 0521008514 0521008506