^ 1.01.1Feng Lide and Kevin Stuart, "Interethnic cultural contact on the Inner Asian frontier: The Gangou people of Minhe County, Qinghai." Sino-Platonic Papers 33 (1992), pp 4–8.[1] (页面存档备份,存于互联网档案馆)
^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Gangou. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.