Baldwin, R. C., DM. (2010). Depression in later life. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Baldwin, Robert C., DM. Depression in Later Life. Oxford ; New York: Oxford University Press, 2010.
Lua MLA (9ú heag.)Baldwin, Robert C., DM. Depression in Later Life. Oxford University Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.