Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Pearic. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
Headley, Robert K. 1985. "Proto-Pearic and the classification of Pearic (页面存档备份,存于互联网档案馆)." In Suriya Ratanakult et al. (eds.), Southeast Asian Linguistic Studies Presented to Andre-G. Haudricourt. Institute of Language and Culture for Rural Development, Mahidol University.
Headley, Robert K. 1985. "Proto-Pearic and the classification of Pearic (页面存档备份,存于互联网档案馆)." In Suriya Ratanakult et al. (eds.), Southeast Asian Linguistic Studies Presented to Andre-G. Haudricourt. Institute of Language and Culture for Rural Development, Mahidol University.