Crystal, David, <br/><br/>
Investigating english style / 
David Crystal and Derek Davy. 
 - London :  Longmans, Green,  1969. 
 - xii, 264 p. : 
<br/><br/><label>ISBN: </label>025333165X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language
<br/><br/><label>Dewey Class. No.: </label>420  / In