European Journal of Echocardiography. European Society of Cardiology.
Lua i Stíl Chicago (17ú heag.)European Journal of Echocardiography. European Society of Cardiology.
Lua MLA (9ú heag.)European Journal of Echocardiography. European Society of Cardiology.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.