Não informado. (2021). Yearbook of the Carnegie Institution of Washington. Carnegie Institution of Washington.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Yearbook of the Carnegie Institution of Washington. Washington: Carnegie Institution of Washington, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Yearbook of the Carnegie Institution of Washington. Carnegie Institution of Washington, 2021.
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