Harper, W.M. <br/><br/>
Statistics. 

 - 6th. 
 - London :  Pitman,  1991. 
 - x, 497p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0712110402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>Statistics.