Gaya APA

Ball, D, A., McCulloch, W, H. (1993). International Business : Introduction And Essentials 5th Ed. (5th Ed.). Homewood: Irwin.

Gaya MLA

Ball, Donald, A.., McCulloch, Wendell, H. "International Business : Introduction And Essentials 5th Ed.". 5th Ed. Homewood: Irwin, 1993. Text.