Thomson, A.J. <br/><br/>
A practical english grammar exercises 1 
/A.J. Thomson ad A.V. matinet. 
 - New York:  Oxford University Press,  1986. 
 - 181p. 
<br/><br/><label>ISBN: </label>978-0194313490 
<br/><br/><label>LC Class. No.: </label>PE 1111  / .T482 1986