Não informado. (2001). American Journal of Public Health and the Nation's Health. American Public Health Association.
Lua i Stíl Chicago (17ú heag.)Não informado. American Journal of Public Health and the Nation's Health. New York: American Public Health Association, 2001.
Lua MLA (8ú heag.)Não informado. American Journal of Public Health and the Nation's Health. American Public Health Association, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.