Ding, Picus Sizhi (2007). "Challenges in Language Modernization in China: The Case of Prinmi"(PDF). In David, Maya; Nicholas Ostler; Caesar Dealwis (eds.). Working Together for Endangered Languages: Research Challenges and Social Impacts (Proceedings of FEL XI). Bath, England: Foundation for Endangered Languages. pp. 120–126. Archived from the original(PDF) on 2018-07-26.
Ding, Picus Sizhi (2007). "Challenges in Language Modernization in China: The Case of Prinmi"(PDF). In David, Maya; Nicholas Ostler; Caesar Dealwis (eds.). Working Together for Endangered Languages: Research Challenges and Social Impacts (Proceedings of FEL XI). Bath, England: Foundation for Endangered Languages. pp. 120–126. Archived from the original(PDF) on 2018-07-26.