Não informado. (1971). World meetings. World Meetings Information Center.
Lua i Stíl Chicago (17ú heag.)Não informado. World Meetings. Chestnut Hill, Mass: World Meetings Information Center, 1971.
Lua MLA (8ú heag.)Não informado. World Meetings. World Meetings Information Center, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.