Brush, S. G. (1996). Nebulous Earth: The origin of the solar system and the core of the Earth from Laplace to Jeffreys. Cambridge University Press.
Dyfyniad Arddull ChicagoBrush, Stephen G. Nebulous Earth: The Origin of the Solar System and the Core of the Earth from Laplace to Jeffreys. Cambridge: Cambridge University Press, 1996.
Dyfyniad MLABrush, Stephen G. Nebulous Earth: The Origin of the Solar System and the Core of the Earth from Laplace to Jeffreys. Cambridge University Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.