Não informado. (1909). Flight: Aircraft, spacecraft, missiles. Royal Aero Club of the United Kingdom.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Flight: Aircraft, Spacecraft, Missiles. London: Royal Aero Club of the United Kingdom, 1909.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Flight: Aircraft, Spacecraft, Missiles. Royal Aero Club of the United Kingdom, 1909.
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