Não informado. (1974). Ageing International. International Federation on Ageing.
Lua i Stíl Chicago (17ú heag.)Não informado. Ageing International. Washington: International Federation on Ageing, 1974.
Lua MLA (8ú heag.)Não informado. Ageing International. International Federation on Ageing, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.