Oxford, M. W. (1996). Oxford Dictionary and English Usage Guide. Oxford University.
Dyfyniad Arddull ChicagoOxford, Maurice Waite. Oxford Dictionary and English Usage Guide. Oxford University, 1996.
Dyfyniad MLAOxford, Maurice Waite. Oxford Dictionary and English Usage Guide. Oxford University, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.