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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.
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