Maas, O. (1938). Franciscans in the Middle Kingdom: A survey of Franciscan missions in China from the Middle Ages to the present time. Collectanea Commiss. Synodal..
Dyfyniad Arddull ChicagoMaas, Otto. Franciscans in the Middle Kingdom: A Survey of Franciscan Missions in China from the Middle Ages to the Present Time. Peking: Collectanea Commiss. Synodal., 1938.
Dyfyniad MLAMaas, Otto. Franciscans in the Middle Kingdom: A Survey of Franciscan Missions in China from the Middle Ages to the Present Time. Collectanea Commiss. Synodal., 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.