Graver, B. D. <br/><br/>
Advanced English practice / 
by B. D. Graver. 
 - 2nd ed. 
 - London :  Oxford University Press,  1979. 
 - xviii, 365 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0194321908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign speakers<br/>English language--Textbooks for foreign speakers<br/>English language--Composition and exercises