Technology through the ages - part 22.
Dyfyniad Arddull ChicagoTechnology Through the Ages - Part 22.
Dyfyniad MLATechnology Through the Ages - Part 22.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Technology through the ages - part 22.
Dyfyniad Arddull ChicagoTechnology Through the Ages - Part 22.
Dyfyniad MLATechnology Through the Ages - Part 22.