Rothman, H. (2001). 50 companies that changed the world: Incisive profiles of the 50 organizations, large and small, that have shaped the course of modern business. Career Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rothman, Howard. 50 Companies That Changed the World: Incisive Profiles of the 50 Organizations, Large and Small, That Have Shaped the Course of Modern Business. Franklin Lakes, NJ: Career Press, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rothman, Howard. 50 Companies That Changed the World: Incisive Profiles of the 50 Organizations, Large and Small, That Have Shaped the Course of Modern Business. Career Press, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.