Arroyo, Victor Manuel. 1972. Lenguas Indigenas Costarricenses. San José, Costa Rica: Editorial Universitaria Centroamericana.
@book{Arroyo-1972, address = {San José, Costa Rica}, author = {Arroyo, Victor Manuel}, publisher = {Editorial Universitaria Centroamericana}, title = {Lenguas Indigenas Costarricenses}, year = {1972}, iso_code = {brn; bzd; tfr}, olac_field = {phonetics; phonology; typology; syntax; general_linguistics}, wals_code = {brc; trb; bri} }