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 (17e ed.) BronvermeldingNão 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 (8e ed.) BronvermeldingNão 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.
Let op: Deze citaties zijn niet altijd 100% accuraat.