Cassel, D. (1994). Computing essentials. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Cassel, Don. Computing Essentials. Englewood: Prentice Hall, 1994.
Lua MLA (9ú heag.)Cassel, Don. Computing Essentials. Prentice Hall, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.