LEWIS, S. L. (1991). Evaluating corporate investment and financing opportu-nities. Toppan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLEWIS, Sherman L. Evaluating Corporate Investment and Financing Opportu-nities. Tokyo: Toppan, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLEWIS, Sherman L. Evaluating Corporate Investment and Financing Opportu-nities. Toppan, 1991.
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