Ryder, L. H. (2009). Introduction to general relativity. Cambridge University Press.
Dyfyniad Arddull ChicagoRyder, Lewis H. Introduction to General Relativity. Cambridge, UK ; New York: Cambridge University Press, 2009.
Dyfyniad MLARyder, Lewis H. Introduction to General Relativity. Cambridge University Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.