Não informado. (1912). Collected studies from the Bureau of Laboratories of the Department of Health, New York City. Bureau of Laboratories of the Department of Health.
Chicago-referens (17:e uppl.)Não informado. Collected Studies from the Bureau of Laboratories of the Department of Health, New York City. New York: Bureau of Laboratories of the Department of Health, 1912.
MLA-referens (8:e uppl.)Não informado. Collected Studies from the Bureau of Laboratories of the Department of Health, New York City. Bureau of Laboratories of the Department of Health, 1912.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.