Barney, Jay B.; Hesterly, William S. <br/><br/>
Strategic Management and competitive advantage :  concepts and cases 
Jay B.; Hesterly, William S. Barney 
 - 2nd ed. 
 - Upper Saddle River  Pearson Prentice-Hall  2008 
 - 380 S. 
<br/><br/><label>ISBN: </label>9780132338233  71,00