Não informado. (1969). Current bibliography of epidemiology. American Public Health Association.
Chicago-referens (17:e uppl.)Não informado. Current Bibliography of Epidemiology. New York: American Public Health Association, 1969.
MLA-referens (8:e uppl.)Não informado. Current Bibliography of Epidemiology. American Public Health Association, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.