Não informado. (1987). High technology business. Infotechnology Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. High Technology Business. Boston, Mass: Infotechnology Publishing, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. High Technology Business. Infotechnology Publishing, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.