Citazione Stile APA (7a Edizione)

Ball, D. A. (2008). International business: The challenge of global competition (11th ed.). McGraw-Hill/Irwin.

Citazione stile Chigago Style (17a edizione)

Ball, Donald A. International Business: The Challenge of Global Competition. 11th ed. Boston: McGraw-Hill/Irwin, 2008.

Citatione MLA (9a ed.)

Ball, Donald A. International Business: The Challenge of Global Competition. 11th ed. McGraw-Hill/Irwin, 2008.