(1989). Innovation in the Japanese steel industry. Tokyo: Sophia University.
Dyfyniad Arddull ChicagoInnovation in the Japanese Steel Industry. Tokyo: Sophia University, 1989.
Dyfyniad MLAInnovation in the Japanese Steel Industry. Tokyo: Sophia University, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.