Não informado. (1913). Supplement to the Public Health Reports. U.S. Public Health Service.
Chicago-Zitierstil (17. Ausg.)Não informado. Supplement to the Public Health Reports. Washington: U.S. Public Health Service, 1913.
MLA-Zitierstil (8. Ausg.)Não informado. Supplement to the Public Health Reports. U.S. Public Health Service, 1913.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.