Greenall, S., & Pye, D. (1991). Reading 2. Cambridge University Press.
Dyfyniad Arddull ChicagoGreenall, Simon, and Diana Pye. Reading 2. Cambridge: Cambridge University Press, 1991.
Dyfyniad MLAGreenall, Simon, and Diana Pye. Reading 2. Cambridge University Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.