O'LEARY, T. J. (1992). Computing Essentials Timothy J. O' Leary, Brian K. William. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)O'LEARY, Tymothy J. Computing Essentials Timothy J. O' Leary, Brian K. William. McGraw-Hill, 1992.
Lua MLA (8ú heag.)O'LEARY, Tymothy J. Computing Essentials Timothy J. O' Leary, Brian K. William. McGraw-Hill, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.