Nuffield Foundation. Science Teaching Project. (1971). Chemistry: The chemist in action. Longman.
Dyfyniad Arddull ChicagoNuffield Foundation. Science Teaching Project. Chemistry: The Chemist in Action. London: Longman, 1971.
Dyfyniad MLANuffield Foundation. Science Teaching Project. Chemistry: The Chemist in Action. Longman, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.