Littmann, E. Publications of the Princeton Expedition to Abyssinia. Leyden.
Dyfyniad Arddull ChicagoLittmann, Enno. Publications of the Princeton Expedition to Abyssinia. Leyden.
Dyfyniad MLALittmann, Enno. Publications of the Princeton Expedition to Abyssinia. Leyden.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.