Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

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