Management information Systems :  managing the Digital Firm / 
Laudon , Kenneth C, Laudon Jane P. [et..al]  
 - 5th ed. 
 - Toronto :  Pearson Canada ,  2011. 
 - xxiv,489 p,:  ill.,; 
<br/><br/><label>ISBN: </label>9780135078853 
<br/><br/><label>LC Class. No.: </label>T58.6  / .L38  2011