Hartle James B. (2014). Gravity: An introduction to Einstein's general relativity. Pearson.
Dyfyniad Arddull ChicagoHartle James B. Gravity: An Introduction to Einstein's General Relativity. Noida: Pearson, 2014.
Dyfyniad MLAHartle James B. Gravity: An Introduction to Einstein's General Relativity. Pearson, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.