Arizoniana. Arizona Historical Society.
Dyfyniad Arddull ChicagoArizoniana. Arizona Historical Society.
Dyfyniad MLAArizoniana. Arizona Historical Society.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Arizoniana. Arizona Historical Society.
Dyfyniad Arddull ChicagoArizoniana. Arizona Historical Society.
Dyfyniad MLAArizoniana. Arizona Historical Society.