Não informado. (1923). Journal of the Royal Aeronautical Society. Royal Aeronautical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Royal Aeronautical Society. London: Royal Aeronautical Society, 1923.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Royal Aeronautical Society. Royal Aeronautical Society, 1923.
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