GAMBLE, J, E. et al(2012).Crafting and Executing Strategy : The quest for competitive advantage concepts and cases (Ed. 18).New York:Universitas Sahid Surakarta.
Gaya MLA
GAMBLE, John, E.. et al."Crafting and Executing Strategy : The quest for competitive advantage concepts and cases".Ed. 18New York:Universitas Sahid Surakarta,2012.Text.