Citazione Stile APA (7a Edizione)

Ball, D. A., & McCulloch, W. H. (1999). International business: The challenge of global competition (7th ed.). Irwin McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Ball, Donald A., e Wendell H. McCulloch. International Business: The Challenge of Global Competition. 7th ed. Boston: Irwin McGraw-Hill, 1999.

Citatione MLA (9a ed.)

Ball, Donald A., e Wendell H. McCulloch. International Business: The Challenge of Global Competition. 7th ed. Irwin McGraw-Hill, 1999.