Sigurdson, J. (1980). Technology and science in the people's republic of China: An introduction. Pergamon press.
Dyfyniad Arddull ChicagoSigurdson, Jon. Technology and Science in the People's Republic of China: An Introduction. Oxford: Pergamon press, 1980.
Dyfyniad MLASigurdson, Jon. Technology and Science in the People's Republic of China: An Introduction. Pergamon press, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.