Lua APA (7ú heag.)

Ball, D. A., & McCullogh, W. H. (2010). International business: The challenge of global competition (12th ed.). Irwin.

Lua i Stíl Chicago (17ú heag.)

Ball, Donald A., agus Wendell H. McCullogh. International Business: The Challenge of Global Competition. 12th ed. Chicago: Irwin, 2010.

Lua MLA (9ú heag.)

Ball, Donald A., agus Wendell H. McCullogh. International Business: The Challenge of Global Competition. 12th ed. Irwin, 2010.

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