ebrary, Inc, & Brougham, R. R. (2009). New directions in aging research: Health and cognition. Nova Biomedical Books.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Ruby R. Brougham. New Directions in Aging Research: Health and Cognition. New York: Nova Biomedical Books, 2009.
Lua MLA (9ú heag.)ebrary, Inc, agus Ruby R. Brougham. New Directions in Aging Research: Health and Cognition. Nova Biomedical Books, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.