Johnston, J. R. (2009). Technological turf wars: A case study of the computer antivirus industry. Temple University Press.
Lua i Stíl Chicago (17ú heag.)Johnston, Jessica R. Technological Turf Wars: A Case Study of the Computer Antivirus Industry. Philadelphia: Temple University Press, 2009.
Lua MLA (9ú heag.)Johnston, Jessica R. Technological Turf Wars: A Case Study of the Computer Antivirus Industry. Temple University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.