Landes, D. S. (1969). The unbound Prometheus: Technological change and industrial development in Western Europe from 1750 to the present. Cambridge U.P..
Dyfyniad Arddull ChicagoLandes, David S. The Unbound Prometheus: Technological Change and Industrial Development in Western Europe from 1750 to the Present. London: Cambridge U.P., 1969.
Dyfyniad MLALandes, David S. The Unbound Prometheus: Technological Change and Industrial Development in Western Europe from 1750 to the Present. Cambridge U.P., 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.