Sydes, J. (2003). Tech talk: Elementray workbook. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoSydes, John. Tech Talk: Elementray Workbook. Oxford: Oxford University Press, 2003.
Dyfyniad MLASydes, John. Tech Talk: Elementray Workbook. Oxford: Oxford University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.