(1990). The Merck Manual of geriatrics.
Lua i Stíl Chicago (17ú heag.)The Merck Manual of Geriatrics. 1990.
Lua MLA (9ú heag.)The Merck Manual of Geriatrics. 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)