Não informado. (2004). Research on Aging. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Research on Aging. Thousand Oaks, Calif: Sage Publications, 2004.
Lua MLA (8ú heag.)Não informado. Research on Aging. Sage Publications, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.