DJVU PDF Benedict, P.K. 1994, "A note on genital de-flipflopping and with an apology to Tsou /boki/", in Linguistics of the Tibeto-Burman Area, vol. 17, no. 2, pp. 155-157. cite.
DJVU PDF Stanley, P. 1979, "Morphophonemics of Verb Suffixes in Tsou", in South-east Asian Linguistic Studies Vol. 3, ed. N.D. Liem, vol. 3, pp. 187-198. Pacific Linguistics, the Australian National University. cite.