APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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