Hamley, D. (1987). The fourth plane at the flypast (1a. ed.). Fontana Lions.
Cita Chicago (17th ed.)Hamley, Dennis. The Fourth Plane at the Flypast. 1a. ed. Londres: Fontana Lions, 1987.
Cita MLA (9th ed.)Hamley, Dennis. The Fourth Plane at the Flypast. 1a. ed. Fontana Lions, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.