Eastwood, J. (1992). Oxford Practice Grammar: With Answer. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoEastwood, John. Oxford Practice Grammar: With Answer. Oxford: Oxford University Press, 1992.
Dyfyniad MLAEastwood, John. Oxford Practice Grammar: With Answer. Oxford: Oxford University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.