Não informado. (1973). International Journal of Aging and Human Development. Baywood Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Aging and Human Development. Farmingdale, NY: Baywood Publishing, 1973.
Lua MLA (8ú heag.)Não informado. International Journal of Aging and Human Development. Baywood Publishing, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.