Porter, Michael E. 1947-.
The competitive advantage of nations /
Michael E. Porter 
. - New York : Free Press,  1990 
. - xx, 855 p.  tab., schem.  25 cm. 
<br/>К.: Бібліогр. : c. 815-831, Index 
<br/><label>  ISBN: </label>0-02-925361-6