Biographical Memoirs of Fellows of the Royal Society. Royal Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBiographical Memoirs of Fellows of the Royal Society. Royal Society.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBiographical Memoirs of Fellows of the Royal Society. Royal Society.
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