Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, 편집. (2023). 〈Chadic〉. 《Glottolog 4.8》. Jena, Germany: Max Planck Institute for the Science of Human History.
Ehret, Christopher. 2006. The Nilo-Saharan background of ChadicArchived 2019년 8월 1일 - 웨이백 머신. In P. Newman and L. M. Hyman (eds), West African linguistics: studies in honor of Russell G. Schuh, pp. 56-66. Studies in African Linguistics Suppl. 11. Columbus: Ohio University Press.
Ehret, Christopher. 2006. The Nilo-Saharan background of ChadicArchived 2019년 8월 1일 - 웨이백 머신. In P. Newman and L. M. Hyman (eds), West African linguistics: studies in honor of Russell G. Schuh, pp. 56-66. Studies in African Linguistics Suppl. 11. Columbus: Ohio University Press.