APA
Ball D. A., McCulloch W. H., . (1999). International Business: The Challenge of Global Competition. New Delhi: Mc Graw Hill.
Chicago
Ball Donald A, McCulloch Wendell H, . 1999. International Business: The Challenge of Global Competition. New Delhi: Mc Graw Hill.
Harvard
Ball D. A., McCulloch W. H., . (1999). International Business: The Challenge of Global Competition. New Delhi: Mc Graw Hill.
MLA
Ball Donald A, McCulloch Wendell H, . International Business: The Challenge of Global Competition. New Delhi: Mc Graw Hill. 1999.