World atlas: The software toolworks, 1990-1992. [CD-ROM].
Lua i Stíl Chicago (17ú heag.)World Atlas: The Software Toolworks, 1990-1992. [CD-ROM].
Lua MLA (9ú heag.)World Atlas: The Software Toolworks, 1990-1992. [CD-ROM].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.