Ball, D. A., & McCulloch, W. H. (1996). International business: The challenge of global competition (6th.ed.). McGraw hill.
Citazione stile Chigago Style (17a edizione)Ball, Donald A., e Wendell H. McCulloch. International Business: The Challenge of Global Competition. 6th.ed. Boston: McGraw hill, 1996.
Citatione MLA (9a ed.)Ball, Donald A., e Wendell H. McCulloch. International Business: The Challenge of Global Competition. 6th.ed. McGraw hill, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.