Chapman, R. (2007). English for emails. New York: Oxford University Press.
Dyfyniad Arddull ChicagoChapman, Rebecca. English for Emails. New York: Oxford University Press, 2007.
Dyfyniad MLAChapman, Rebecca. English for Emails. New York: Oxford University Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.