Não informado. (1951). Collected papers of the Division of Medicine and Public Health of the Rockefeller Foundation. Rockefeller Foundation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Collected Papers of the Division of Medicine and Public Health of the Rockefeller Foundation. New York: Rockefeller Foundation, 1951.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Collected Papers of the Division of Medicine and Public Health of the Rockefeller Foundation. Rockefeller Foundation, 1951.
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