Não informado. Think. International Business Machines.
Lua i Stíl Chicago (17ú heag.)Não informado. Think. New York: International Business Machines.
Lua MLA (8ú heag.)Não informado. Think. International Business Machines.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.