Não informado. (1913). Supplement to the Public Health Reports. U.S. Public Health Service.
Chicago Style (17. basım) AtıfNão informado. Supplement to the Public Health Reports. Washington: U.S. Public Health Service, 1913.
MLA (8th ed.) AtıfNão informado. Supplement to the Public Health Reports. U.S. Public Health Service, 1913.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..