Cita APA (7th ed.)

Ball, D. A., & MacCulloch, W. H. J. (1996). International Business: The Challenge of Global Competition (6th ed.). Irwin /McGraw Hill.

Cita Chicago (17th ed.)

Ball, Donald A., i Wendell H. JR MacCulloch. International Business: The Challenge of Global Competition. 6th ed. USA: Irwin /McGraw Hill, 1996.

Cita MLA (9th ed.)

Ball, Donald A., i Wendell H. JR MacCulloch. International Business: The Challenge of Global Competition. 6th ed. Irwin /McGraw Hill, 1996.