Comfort, J., Hick, S., & Savage, A. (1994). Basic technical English. Oxford University Press.
Dyfyniad Arddull ChicagoComfort, Jeremy, Steve Hick, and Allan Savage. Basic Technical English. Oxford: Oxford University Press, 1994.
Dyfyniad MLAComfort, Jeremy, et al. Basic Technical English. Oxford University Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.