@book{2264,
	author = {THOMPSON, A. A. and GAMBLE, J. E. , PETERRAF, M. A. & STRICKLAND, A. J.},
	title = {Crafting and Executive Strategy: the Quest for Competitive Advantage Concepts and Cases.},
	publisher = {Mc Graw Hill,},
	year = {2014.},
	address = {New York,},
	edition = {20th Ed.}
}