Johnson, Gerry. <br/><br/>
Exploring corporate strategy / 
Gerry Johnson, Kevan Scholes, Richard Whittington. 
 - 7th enhanced media edition. 
 - Harlow, England :  New York :  FT/Prentice Hall,  2006. 
 - xxxvi, 1033 p. :  col. ill. ;  27 cm.