Betts, R. (1999). Dr Macnamara, 1861-1931. Liverpool University Press.
Lua i Stíl Chicago (17ú heag.)Betts, Robin. Dr Macnamara, 1861-1931. Liverpool: Liverpool University Press, 1999.
Lua MLA (9ú heag.)Betts, Robin. Dr Macnamara, 1861-1931. Liverpool University Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.