Dray, T. (2012). The geometry of special relativity. Taylor & Francis.
Dyfyniad Arddull ChicagoDray, Tevian. The Geometry of Special Relativity. Boca Raton: Taylor & Francis, 2012.
Dyfyniad MLADray, Tevian. The Geometry of Special Relativity. Taylor & Francis, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.