DJVU PDF Lin, Y.-. 1999, "What did Qiangic peoples call the twelve months?", in Linguistics of the Tibeto-Burman Area, vol. 22, no. 1, pp. 71-95. cite.

DJVU PDF Sun, H. 1990, "Languages of the Ethnic Corridor in Western Sichuan", in Linguistics of the Tibeto-Burman Area, vol. 13, no. 1, pp. 1-31. cite.