Bardsley, W. L. (1987). Introducing information technology. Longman.
Lua i Stíl Chicago (17ú heag.)Bardsley, Wendy Louise. Introducing Information Technology. Essex, Eng: Longman, 1987.
Lua MLA (9ú heag.)Bardsley, Wendy Louise. Introducing Information Technology. Longman, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.