Warner, Alan. <br/><br/>
A Short Guide to English Style /  

 - Third Impression 197 /  
 - London :   The English Language Book Society. 
 - p.198 :  
<br/><br/><label>ISBN: </label>0-19-442105-8 
<br/><br/><label>Dewey Class. No.: </label>P111:53  / K1W,K4;14