Rosenberg, Robert, et. al. <br/><br/>
Business Mathematics 

 - Canadian Edition 
 -  McGraw Hill Ryerson Limited  1977 
 - vii, 312 pages, 23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0-07-082599-8 
<br/><br/><label>Dewey Class. No.: </label>510 R72