Frank, Paul S. 1993. Proto-Arhuacan phonology. Estudios de Lingü'istica Chibcha. 95–117.
@article{1898_frank1993, author = {Frank, Paul S}, journal = {Estudios de Lingü'istica Chibcha}, number = {12}, pages = {95–117}, title = {Proto-Arhuacan phonology}, year = {1993} }