(1995). Twentieth century physics. Institute of Physics Pub..
Dyfyniad Arddull ChicagoTwentieth Century Physics. Bristol: Institute of Physics Pub., 1995.
Dyfyniad MLATwentieth Century Physics. Institute of Physics Pub., 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.