Morbidity and Mortality Weekly Report. Centers for Disease Control & Prevention (CDC).
Lua i Stíl Chicago (17ú heag.)Morbidity and Mortality Weekly Report. Centers for Disease Control & Prevention (CDC).
Lua MLA (9ú heag.)Morbidity and Mortality Weekly Report. Centers for Disease Control & Prevention (CDC).
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.