Wetherly, P., & Otter, D. (2018). The business environment: Themes and issues in a globalizing world (Fourth edition.). Oxford University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wetherly, Paul, و Dorron Otter. The Business Environment: Themes and Issues in a Globalizing World. Fourth edition. Oxford: Oxford University Press, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wetherly, Paul, و Dorron Otter. The Business Environment: Themes and Issues in a Globalizing World. Fourth edition. Oxford University Press, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.