Ball, D. A. (2008). International business: The challenge of global competition. New York: The McGraw-Hill Companies.
استشهاد بنمط شيكاغوBall, Donald A. International Business: The Challenge of Global Competition. New York: The McGraw-Hill Companies, 2008.
MLA استشهادBall, Donald A. International Business: The Challenge of Global Competition. New York: The McGraw-Hill Companies, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.