Brown, D. (2009). Digital Fortress. Transword Publishers.
Lua i Stíl Chicago (17ú heag.)Brown, Dan. Digital Fortress. United Kingdom: Transword Publishers, 2009.
Lua MLA (9ú heag.)Brown, Dan. Digital Fortress. Transword Publishers, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.