Rothman , H. (2004). 50 Companies that changed the World. Jaico Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRothman , Haward. 50 Companies That Changed the World. New delhi: Jaico Publishing House, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRothman , Haward. 50 Companies That Changed the World. Jaico Publishing House, 2004.
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