APA-referens (7:e uppl.)

Ball, D. A., & McCulloch, H. W. (1993). International business: Introduction and essentials (5th ed.). Irwin.

Chicago-referens (17:e uppl.)

Ball, Donald A., och H. Wendell McCulloch. International Business: Introduction and Essentials. 5th ed. Burr Ridge, Ill: Irwin, 1993.

MLA-referens (9:e uppl.)

Ball, Donald A., och H. Wendell McCulloch. International Business: Introduction and Essentials. 5th ed. Irwin, 1993.