Fry, T. F. (1975). Computer appreciation (2nd ed.). Newnes-Butterworths.
Lua i Stíl Chicago (17ú heag.)Fry, T. F. Computer Appreciation. 2nd ed. London: Newnes-Butterworths, 1975.
Lua MLA (8ú heag.)Fry, T. F. Computer Appreciation. 2nd ed. Newnes-Butterworths, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.