Kakumasu, James. 1966. Urubú Sign Language. International Journal of American Linguistics 34. 275-281.
@article{Kakumasu-1966, author = {Kakumasu, James}, journal = {International Journal of American Linguistics}, number = {4}, pages = {275-281}, title = {Urubú Sign Language}, volume = {34}, year = {1966}, iso_code = {uks}, olac_field = {typology; general_linguistics; syntax}, wals_code = {usl} }