Não informado. (1913). Supplement to the Public Health Reports. U.S. Public Health Service.
Chicago-referens (17:e uppl.)Não informado. Supplement to the Public Health Reports. Washington: U.S. Public Health Service, 1913.
MLA-referens (8:e uppl.)Não informado. Supplement to the Public Health Reports. U.S. Public Health Service, 1913.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.