Durbin, Marshall and Seijas, Haydée. 1973. Proto Hianacoto: Guaque-Carijona-Hianacoto Umaua. International Journal of American Linguistics 39. 22–31.
@article{durbin1973proto, author = {Durbin, Marshall and Seijas, Haydée}, journal = {International Journal of American Linguistics}, number = {1}, pages = {22–31}, title = {Proto Hianacoto: Guaque-Carijona-Hianacoto Umaua}, volume = {39}, year = {1973} }