Cory, H. (1999). Advanced writing with English in use. New York: Oxford University Press.
Dyfyniad Arddull ChicagoCory, Hugh. Advanced Writing With English in Use. New York: Oxford University Press, 1999.
Dyfyniad MLACory, Hugh. Advanced Writing With English in Use. New York: Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.