Blundell, L., & Stokes, J. (1981). Task listening. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoBlundell, Lesley, và Jackie Stokes. Task Listening. New York: Cambridge University Press, 1981.
Dyfyniad MLABlundell, Lesley, và Jackie Stokes. Task Listening. New York: Cambridge University Press, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.