- As for Tonal Class, Benson (1964) classifies this term into Class 5 with a trisyllabic stem, together with kĩboboto, ndaraca, and so on.
- (Kiambu) Yukawa (1981) classified this term into a group including mwĩrĩ, mũka, ngitĩ, nyũmba, etc., which is merged with another group including kahiũ, mũtĩ, etc. in Yukawa (1985).
kĩroboto class 7 (plural iroboto)
- “kĩroboto” in Benson, T.G. (1964). Kikuyu-English dictionary, p. 402. Oxford: Clarendon Press.
- ^ Yukawa, Yasutoshi (1981). "A Tentative Tonal Analysis of Kikuyu Nouns: A Study of Limuru Dialect." In Journal of Asian and African Studies, No. 22, 75–123.
- ^ Yukawa, Yasutoshi (1985). "A Second Tentative Tonal Analysis of Kikuyu Nouns." In Journal of Asian and African Studies, No. 29, 190–231.