Jerold A. Edmondson. 2010. "The Kháng Language of Vietnam in Comparison To Ksingmul (Xinh-mun)." In A Mosaic of Languages and Cultures, edited by Kenneth A. McElhanon and Ger Reesink. 138-154. SIL International. Online: http://www-01.sil.org/silepubs/Pubs/52526/52526_MosaicLanguageCultures….
David Bradley. 2010. "Language Endangerment and Resilience Linguistics: Case Studies of Gong and Lisu." In Anthropological Linguistics, 52: 123-140.
Council of Indigenous Peoples (行政院原住民族委員會). 2014. "The Tribes in Taiwan (Tsou)." Online: http://www.apc.gov.tw/portal/docList.html?CID=F07B48DFDA79CF95&type=D55….
Daniel Paul, Elisabeth Abbess, Katja Müller, Calvin Tiessen and Gabriela Tiessen. 2010. "Language Access and Tajik Language Proficiency Among the Yazghulami of Tajikistan." Online: http://www.sil.org/resources/publications/entry/9099.
Gilbert Lazard. 1990. "Le Dialecte De Rudbâr (Gilân)." In Iranica varia: papers in honor of Professor Ehsan Yarshater, edited by D. Amin et al. 110-123.
Elizabeth Hall. A Phonology of Muak Sa-aak. Master thesis, Payap University, Thailand, 2010. Online: http://ic.payap.ac.th/graduate/linguistics/theses/Ellie_Hall_Thesis.pdf.