Introduction to Business Statistics / 
Weiers Ronald M. 
 - 6th ed. 
 - Australia :  Thompson/South-western ,  2008. 
 - xxiii,853 p,: 
<br/><br/><label>ISBN: </label>9780324381436 
<br/><br/><label>LC Class. No.: </label>HF1017  / .W44 2008