@book{9157, title = {Essentials of strategic management :}, publisher = {McGraw-Hill Irwin,}, url = {http://www.loc.gov/catdir/enhancements/fy0809/2008003390-b.html}, year = {c2009.}, address = {Boston :}, author = {Gamble, John and Thompson, Arthur A.,}, edition = {1st ed.} }