Não informado. (1974). Advertising world. Directories International.
Lua i Stíl Chicago (17ú heag.)Não informado. Advertising World. New York: Directories International, 1974.
Lua MLA (8ú heag.)Não informado. Advertising World. Directories International, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.