Rothwell,Roy, & Zegveld,Walter. (1979). Technical change and employment. Frances Pinter.
Dyfyniad Arddull ChicagoRothwell,Roy, and Zegveld,Walter. Technical Change and Employment. London: Frances Pinter, 1979.
Dyfyniad MLARothwell,Roy, and Zegveld,Walter. Technical Change and Employment. Frances Pinter, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.