Não informado. (1969). Current bibliography of epidemiology. American Public Health Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Current Bibliography of Epidemiology. New York: American Public Health Association, 1969.
Lua MLA (8ú heag.)Não informado. Current Bibliography of Epidemiology. American Public Health Association, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.