Butcher, J. (1975). Copy- editing: The Cambridge Hand Book. Cambridge University Press.
Dyfyniad Arddull ChicagoButcher, Judiath. Copy- Editing: The Cambridge Hand Book. London: Cambridge University Press, 1975.
Dyfyniad MLAButcher, Judiath. Copy- Editing: The Cambridge Hand Book. Cambridge University Press, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.