Najilis, Elena L. 1966. Lengua Abipona. Buenos Aires: Centro de Estudios Lingu'isticos. 13–20pp.
@book{1914_najilis1966, address = {Buenos Aires}, author = {Najilis, Elena L}, pages = {13–20}, publisher = {Centro de Estudios Lingu'isticos}, title = {Lengua Abipona}, year = {1966} }