Johnston, J. R. (2009). Technological turf wars: A case study of the computer antivirus industry. Temple University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnston, Jessica R. Technological Turf Wars: A Case Study of the Computer Antivirus Industry. Philadelphia: Temple University Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJohnston, Jessica R. Technological Turf Wars: A Case Study of the Computer Antivirus Industry. Temple University Press, 2009.
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