1. Dorian (2001) is an excellent introduction to the fieldwork situation in a community whose language is endangered, by a sojourner, with a frank discussion and many important insights and hints.
2. Gippert et al. (2006) provide a guide to the various components of a modern linguistic documentation; it is an important supplement to any standard field methods textbook.
3. Perley (2011) gives an insider perspective on the challenges of language revitalization at the individual and community level in an indigenous group of eastern Canada.
4. Yuan Yichuan , 2005. Attitude and Motivation of English Learning of Ethnic Minority Students in China. PhD thesis, La Trobe University.
5. Nisu dialect geography;Yang;Summer Institute of Linguistics Electronic Survey Reports,2009