Bowley, Sir Arthur, <br/><br/>
An elementry manual of statistics 

 - London :  Macdonald 
 - Statistics 
<br/><br/><br/>18 
<br/><br/> pbk 
<br/><br/><label>ISBN: </label>20 
<br/><br/><label>Dewey Class. No.: </label>519. BOW-A  15856