Kaufman, Terrence (1969). "Teco - A New Mayan Language". International Journal of American Linguistics. 35 (2): 154–74. doi:10.1086/465050. S2CID144949556.
Kaufman, Terrence (1969). "Teco - A New Mayan Language". International Journal of American Linguistics. 35 (2): 154–74. doi:10.1086/465050. S2CID144949556.