Porter, Michael E. 1947-.
On competition /
Michael E. Porter 
. - Updated and expanded editon 
. - Boston : Harvard Business School Publishing Corporation,  2008 
. - xxxi, 544 p.  tab., schem.  24 cm. 
 - Harvard business review book series .
<br/><label>  ISBN: </label>978-1-4221-2696-7