Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

Qiangyu Jianzhi [A brief description of the Qiang language] . Hongkai, Sun (1981) · Minzu Chubanshe

On language of the Qiangic branch in Tibeto-Burman ( pp. 157-181 ) . Sun, Hongkai (2001) · Language and Linguistics. 2 (1) · http://www.ling.sinica.edu.tw/files/publication/j2001_1_06_7146.pdf

East and Southeast Asia ( pp. 349-424 ) . David Bradley (2007) · In Encyclopedia of the World's Endangered Languages edited by C. Moseley · London & New York: Routledge

Tibet's minority languages: Diversity and endangerment . Gerald Roche and Hiroyuki Suzuki (2017) · Modern Asian Studies. http://www.academia.edu/28138202/Tibets_Minority_Languages_Diversity_and_Endangerment