Epidemiology and Community Health. BMJ.
Lua i Stíl Chicago (17ú heag.)Epidemiology and Community Health. BMJ.
Lua MLA (9ú heag.)Epidemiology and Community Health. BMJ.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)