HILL, L. (1968). A guide to correct English (2nd ed.). Oxford University Press.
Dyfyniad Arddull ChicagoHILL, L.A. A Guide to Correct English. 2nd ed. London: Oxford University Press, 1968.
Dyfyniad MLAHILL, L.A. A Guide to Correct English. 2nd ed. Oxford University Press, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.