Stephani, H. (2004). Relativity: An introduction to special and general relativity (Third edition.). Cambridge University Press.
Dyfyniad Arddull ChicagoStephani, Hans. Relativity: An Introduction to Special and General Relativity. Third edition. New York: Cambridge University Press, 2004.
Dyfyniad MLAStephani, Hans. Relativity: An Introduction to Special and General Relativity. Third edition. Cambridge University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.