Walker, G. (2009). Modern competitive strategy (Third edition.). McGraw-Hill/Irwin.
Citación estilo ChicagoWalker, Gordon. Modern Competitive Strategy. Third edition. New York: McGraw-Hill/Irwin, 2009.
Cita MLAWalker, Gordon. Modern Competitive Strategy. Third edition. McGraw-Hill/Irwin, 2009.
Warning: These citations may not always be 100% accurate.