Thomson, O. M. <br/><br/>
Essential grammar / 
O. M. Thomson 
 - Oxford :  Oxford University Press,  1978 
 - 90 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0198311303 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--1950