Oxford University Press & Cresswell, J. (2010). Oxford dictionary of word origins (2nd ed.). Oxford University Press.
Dyfyniad Arddull ChicagoOxford University Press and Julia Cresswell. Oxford Dictionary of Word Origins. 2nd ed. New York: Oxford University Press, 2010.
Dyfyniad MLAOxford University Press and Julia Cresswell. Oxford Dictionary of Word Origins. 2nd ed. Oxford University Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.