Não informado. (1927). Collected papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. New York: Rockefeller Foundation, 1927.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation, 1927.
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