Quirk, Randolph. <br/><br/>
A university grammar of english /   
Randolph Quirk, Sidney Greenbaum. 
 - New Delhi :   Pearson Education Ltd.,  2006. 
 - 496 p. ; 22 cm. 
<br/><br/><label>ISBN: </label>9788177587500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Grammar --Study and teaching.--------<br/>English language --Grammar --Handbooks, manuals, etc.--<br/>English language --Grammar --Problems, exercises, etc.--