Não informado. (1992). Computer Supported Cooperative Work. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Computer Supported Cooperative Work. Dordrecht, Holanda: Kluwer Academic Publishers, 1992.
Lua MLA (8ú heag.)Não informado. Computer Supported Cooperative Work. Kluwer Academic Publishers, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.