Harvey, D. R. (2005). Preserving digital materials. K.G. Saur.
Lua i Stíl Chicago (17ú heag.)Harvey, D. R. Preserving Digital Materials. München: K.G. Saur, 2005.
Lua MLA (9ú heag.)Harvey, D. R. Preserving Digital Materials. K.G. Saur, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.