APA-viite (7. p.)
Ball, D. A., & McCullogh, W. H. (1996). International business: The challenge of global competition (6th ed.). Irwin; Irwin Mcgraw hill.
Chicago-viite (17. p.)
Ball, Donald A., ja Wendell H. McCullogh. International Business: The Challenge of Global Competition. 6th ed. Chicago : Illinois dubuque: Irwin; Irwin Mcgraw hill, 1996.
MLA-viite (9. p.)
Ball, Donald A., ja Wendell H. McCullogh. International Business: The Challenge of Global Competition. 6th ed. Irwin; Irwin Mcgraw hill, 1996.
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