Charroux, R. (1974). Lost worlds: Scientific secrets of the ancients. Fontana/Collins.
Cita Chicago (17th ed.)Charroux, Robert. Lost Worlds: Scientific Secrets of the Ancients. Glasgow: Fontana/Collins, 1974.
Cita MLA (9th ed.)Charroux, Robert. Lost Worlds: Scientific Secrets of the Ancients. Fontana/Collins, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.