Graver, B.D <br/><br/>
Advanced english practice/ 

 - 3rd ed. 
 - Oxford  Oxford university  1986 
 - 320p. :  ill. ; 
<br/><br/><label>ISBN: </label>0194321819 
<br/><br/><label>LC Class. No.: </label>PE1106  / .G78 1986