Business Mathematics in Canada / 
Jerome , Ernest F. ; Tracy Worswick  
 - 8th ed 
 - Toronto:  McGraw-Hill Ryerson ,  2014. 
 - xix,599 p,: 
<br/><br/><label>ISBN: </label>9780070876200 
<br/><br/><label>LC Class. No.: </label>HF5691  / .J47  2014