Mattox, A. S. Shepherd of the Planets.
Dyfyniad Arddull ChicagoMattox, Alan; Summers. Shepherd of the Planets.
Dyfyniad MLAMattox, Alan; Summers. Shepherd of the Planets.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Mattox, A. S. Shepherd of the Planets.
Dyfyniad Arddull ChicagoMattox, Alan; Summers. Shepherd of the Planets.
Dyfyniad MLAMattox, Alan; Summers. Shepherd of the Planets.