^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (編). Lamu. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
Bradley, David. 2004. [1] (頁面存檔備份,存於互聯網檔案館)(雲南中部的瀕危中部彝語). Keynote Presentation, 37th International Conference on Sino-Tibetan Languages and Linguistics, Lund University, Sweden. (附有拉姆語詞表)
Bradley, David (2007). "Language Endangerment in China and Mainland Southeast Asia". In Matthias Brenzinger, ed. Language diversity endangered. New York: Mouton de Gruyter.