(2000). Properties of matter and energy. New York, N.Y: McGraw-Hill School Division.
Dyfyniad Arddull ChicagoProperties of Matter and Energy. New York, N.Y: McGraw-Hill School Division, 2000.
Dyfyniad MLAProperties of Matter and Energy. New York, N.Y: McGraw-Hill School Division, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.