Barrow, J. D. (1999). Impossibility: The limits of science and the science of limits. Vintage.
Dyfyniad Arddull ChicagoBarrow, John D. Impossibility: The Limits of Science and the Science of Limits. London: Vintage, 1999.
Dyfyniad MLABarrow, John D. Impossibility: The Limits of Science and the Science of Limits. Vintage, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.