Contemporary Business Mathematics :  With Canadian Applications / 
Hummelbrunner, S.A. 
 - 6th ed. 
 - Toronto:  Prentice-Hall,  2001. 
 - xx,812 p,: 
<br/><br/><label>ISBN: </label>0130864722 
<br/><br/><label>LC Class. No.: </label>HF5691  / .H85  2001