Não informado. (1913). Supplement to the Public Health Reports. U.S. Public Health Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Supplement to the Public Health Reports. Washington: U.S. Public Health Service, 1913.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Supplement to the Public Health Reports. U.S. Public Health Service, 1913.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.