Não informado. (1988). Year book of geriatrics and gerontology. Mosby Year Book.
Lua i Stíl Chicago (17ú heag.)Não informado. Year Book of Geriatrics and Gerontology. Saint Louis, Mo: Mosby Year Book, 1988.
Lua MLA (8ú heag.)Não informado. Year Book of Geriatrics and Gerontology. Mosby Year Book, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.