Ball, D. A. (2012). International Business: The Challenge of Global Competition. McGraw-Hill Education.
استشهاد بنمط شيكاغوBall, Don. A. International Business: The Challenge of Global Competition. McGraw-Hill Education, 2012.
MLA استشهادBall, Don. A. International Business: The Challenge of Global Competition. McGraw-Hill Education, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.