Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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