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}
}