Não informado. (1997). Stanford business. Stanford University, Graduate School of Business.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Stanford Business. Stanford, Conn: Stanford University, Graduate School of Business, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Stanford Business. Stanford University, Graduate School of Business, 1997.
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