A grammar of contemporary English / 
Randolph Quirk, Sidney Greenbaum ... [et al.]. 
 - (London) :  Longman,  [c1972]. 
 - xii, 1120 p. 
<br/><br/><label>ISBN: </label>058252444X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--1950-