^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). 博杰普爾語. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
^William J. Frawley, International Encyclopedia of Linguistics, Volume 1, ISBN0-19-513977-1, Oxford University Press, Bhojpuri, page 481