(原始内容存档于2019-06-06). Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Xuzhang Lalo. Glottolog 2.7. Jena: Max Planck Institute for
(原始内容存档于2019-06-06). Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Yangliu. Glottolog 2.7. Jena: Max Planck Institute for the