Dyfyniad APA

Church, G. E. Northern Bolivia and President Pando's New Map.

Dyfyniad Arddull Chicago

Church, George Earl. Northern Bolivia and President Pando's New Map.

Dyfyniad MLA

Church, George Earl. Northern Bolivia and President Pando's New Map.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.