Däniken, E. V. (1972). Gods from outer space return to the stars or evidence for the impossible. Bantam Books.
Cita Chicago Style (17a ed.)Däniken, Erich Von. Gods from Outer Space Return to the Stars or Evidence for the Impossible. New York, Estados Unidos: Bantam Books, 1972.
Cita MLA (9a ed.)Däniken, Erich Von. Gods from Outer Space Return to the Stars or Evidence for the Impossible. Bantam Books, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.