Não informado. (1909). Flight: Aircraft, spacecraft, missiles. Royal Aero Club of the United Kingdom.
Chicago-Zitierstil (17. Ausg.)Não informado. Flight: Aircraft, Spacecraft, Missiles. London: Royal Aero Club of the United Kingdom, 1909.
MLA-Zitierstil (8. Ausg.)Não informado. Flight: Aircraft, Spacecraft, Missiles. Royal Aero Club of the United Kingdom, 1909.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.