Brown, D. Digital Fortress. St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Brown, Dan. Digital Fortress. St. Martin's Press.
Lua MLA (8ú heag.)Brown, Dan. Digital Fortress. St. Martin's Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.