Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Ball, Donald A., y Wendell H. McCulloch. International Business: Introduction and Essentials. 5th ed. Homewood [etc.]: Irwin, 1993.

Cita MLA (9a ed.)

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