Harris, S., & Nugus, S. (1992). PC data recovery and disaster prevention. NCC Blackwell.
Lua i Stíl Chicago (17ú heag.)Harris, Steve, agus S. Nugus. PC Data Recovery and Disaster Prevention. Oxford: NCC Blackwell, 1992.
Lua MLA (9ú heag.)Harris, Steve, agus S. Nugus. PC Data Recovery and Disaster Prevention. NCC Blackwell, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.