Waite, M., & Delahunty, A. (1996). The Oxford dictionary and English usage guide. Oxford University Press.
Dyfyniad Arddull ChicagoWaite, Maurice, and Andrew Delahunty. The Oxford Dictionary and English Usage Guide. Oxford, NewYork: Oxford University Press, 1996.
Dyfyniad MLAWaite, Maurice, and Andrew Delahunty. The Oxford Dictionary and English Usage Guide. Oxford University Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.