Understanding Canadian Business / 
Nickels , William G. [et..al] 
 - 6th ed. 
 - Toronto:  McGraw-Hill /Ryerson ,  2007. 
 - xxxi,628 p,: 
<br/><br/><label>ISBN: </label>9780070963313 
<br/><br/><label>LC Class. No.: </label>HD31  / .N52  2007