Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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