Ardley, N. (1975). Atoms and energy. Sampson Low.
Dyfyniad Arddull ChicagoArdley, Neil. Atoms and Energy. Maidenhead: Sampson Low, 1975.
Dyfyniad MLAArdley, Neil. Atoms and Energy. Sampson Low, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.