The Rangi call their language Kilaangi, though it is more commonly known as Rangi or Kirangi.
References
Fosbrooke, H.A. 1958 ?Blessing the Year: a Wasi/Rangi Ceremony?, Tanganyika Notes and Records 50, 21-2
Fosbrooke, H.A. 1958 ?A Rangi Circumcision Ceremony: Blessing a New Grove?, Tanganyika Notes and Records 50, 30-36
Gray, R.F. 1953 ?Notes on Irangi Houses?, Tanganyika Notes and Records 35, 45-52
Kesby, J. 1981 ?The Rangi of Tanzania: An introduction to their culture?, HRAF: Yale
Kesby, J. 1982 ?Progress and the past among the Rangi of Tanzania?, HRAF: Yale
Kesby, J. 1986 ?Rangi natural history: The taxonomic procedures of an African people?, HRAF: Yale
Maingu, Yovin & Brunhilde Bossow, 2006 "Mazingira ya Warangi na Wajerumani wa Kale", Published by Heimat- und Kulturverein Gellersen (Society for History and Culture of the Gellersen villages, Germany)
Masare, A.J. 1970 ?Utani Relationships: The Rangi?, unpublished manuscript, Dar es Salaam
Mung?ong?o, Claude G. 1995 ?Social Processes and Ecology in the Kondoa Irangi Hills, Central Tanzania?, Stockholm University, Dept. of Human Geography, Meddlanden Series B 93
Östberg, W. 1979 ?The Kondoa Transformation?, research report no. 76, SIAS: Uppsala