Greenwood, F. (1982). Profitable small business computing. Little, Brown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreenwood, Frank. Profitable Small Business Computing. Little, Brown, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGreenwood, Frank. Profitable Small Business Computing. Little, Brown, 1982.
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