Rothschild, W. E. (1989). How to gain and maintain the competitive advantage in business. Mc-Graw Hill.
استشهاد بنمط شيكاغوRothschild, William E. How to Gain and Maintain the Competitive Advantage in Business. New York: Mc-Graw Hill, 1989.
MLA استشهادRothschild, William E. How to Gain and Maintain the Competitive Advantage in Business. Mc-Graw Hill, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.