Não informado. (1909). Flight: Aircraft, spacecraft, missiles. Royal Aero Club of the United Kingdom.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Flight: Aircraft, Spacecraft, Missiles. London: Royal Aero Club of the United Kingdom, 1909.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Flight: Aircraft, Spacecraft, Missiles. Royal Aero Club of the United Kingdom, 1909.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.