Campbell, Lyle & David Oltrogge. 1980. Proto-Tol (Jicaque). International Journal of American Linguistics 46. 205-223.
@misc{8604,
author = {Campbell, Lyle and Oltrogge, David},
title = {Proto-Tol (Jicaque). International Journal of American Linguistics 46. 205-223.},
year = {1980}
}