(1974). South East Asia iron and steel institute. Tokyo: Annual General Meeting.
Dyfyniad Arddull ChicagoSouth East Asia Iron and Steel Institute. Tokyo: Annual General Meeting, 1974.
Dyfyniad MLASouth East Asia Iron and Steel Institute. Tokyo: Annual General Meeting, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.