↑Jansen 2010, p. 28-34 donne ‹ χ ›, ‹ χ̣ ›, ‹ χʷ ›, ‹ χ̣ʷ › pour l’alphabet CTUIR basé sur Rigsby et Rude (1996) au lieu de ‹ x ›, ‹ x̣ ›, ‹ x ›, ‹ x̣ʷ › de l’Umatilla Language Online Dictionary du CTUIR.
Sources
(en) Phillip E. Cash Cash, Tɨmnákni tímat (Writing from the heart) : Sahaptin discource and text in the speaker writing of X̣ílux̣in (thèse de master), University of Arizona, (lire en ligne)
(en) Joana Worth Jansen, Grammar Of Yakima Ichishkíin/Sahaptin (thèse de Ph.D.), University of Oregon, (lire en ligne)
(en + uma) Noel Rude et Confederated Tribes of the Umatilla Indian Reservation, Umatilla dictionary, Seattle, Confederated Tribes of the Umatilla Indian Reservation et University of Washington Press, (ISBN9780295994284)