Netsources. Paris: Bases Publications.
Dyfyniad Arddull ChicagoNetsources. Paris: Bases Publications.
Dyfyniad MLANetsources. Paris: Bases Publications.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Netsources. Paris: Bases Publications.
Dyfyniad Arddull ChicagoNetsources. Paris: Bases Publications.
Dyfyniad MLANetsources. Paris: Bases Publications.