Strategy :core concepts, analytical tools, readings

 Thompson, Arthur A.,; Gamble, John; Strickland, A. J.;

Boston, Mass. : : McGraw-Hill , 2006

Crafting and executing strategy :the quest for competitive advantage : concepts and readings

 Gamble, John E.; Strickland, A. J.; Thompson, Arthur A.; Peteraf, Margaret A.;

New York : McGraw-Hill/Irwin , 2014