Não informado. The President's review and annual report. Rockefeller Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. The President's Review and Annual Report. New York: Rockefeller Foundation.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. The President's Review and Annual Report. Rockefeller Foundation.
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