Statistics for Management and Economics / 
Watson Billingsley, Croft Hutsberger. 
 - 4th ed. 
 - Boston ;  London, a.o. :  Allyn and Bacon,  1990. 
 - 305 p. 
 - 001.4 .
<br/><br/><label>ISBN: </label>0-205-12274-4 
<br/><br/><label>Dewey Class. No.: </label>001.4