Thomson , A J; Martinet ,A. V. <br/><br/>
A Practical English Grammar Exercises 2 

 - 2nd 
 -  1980 
 - 205 
<br/><br/><label>ISBN: </label>0-91-431338-7 
<br/><br/><label>Subjects--Personal Names: </label><br/>Humanity & Natural Sciences
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humanities and Natural sciences