Não informado. (2017). Heart. British Medical Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Heart. London: British Medical Association, 2017.
Lua MLA (8ú heag.)Não informado. Heart. British Medical Association, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.