Fifty Lessons. (2008). Doing Business Globally. Harvard Bus.School Pub.
Citazione stile Chigago Style (17a edizione)Fifty Lessons. Doing Business Globally. Boston: Harvard Bus.School Pub, 2008.
Citatione MLA (9a ed.)Fifty Lessons. Doing Business Globally. Harvard Bus.School Pub, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.