Não informado. (1995). Electronic business today. Cahners Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Electronic Business Today. Highlands Ranch, Colo: Cahners Publishing, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Electronic Business Today. Cahners Publishing, 1995.
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