Não informado. (1985). Communications of the ACM. Association of Computing Machinery.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Communications of the ACM. New York: Association of Computing Machinery, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Communications of the ACM. Association of Computing Machinery, 1985.
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