Não informado. (1909). Flight: Aircraft, spacecraft, missiles. Royal Aero Club of the United Kingdom.
Chicago (17e ed.) BronvermeldingNão informado. Flight: Aircraft, Spacecraft, Missiles. London: Royal Aero Club of the United Kingdom, 1909.
MLA (8e ed.) BronvermeldingNão informado. Flight: Aircraft, Spacecraft, Missiles. Royal Aero Club of the United Kingdom, 1909.
Let op: Deze citaties zijn niet altijd 100% accuraat.