Nash, Manning. "3. Guatemalan Highlands." In Ethnology, Part 1, edited by Robert Wauchope and Evon Z. Vogt, 30. Vol. 7 of Handbook of Middle American Indians. Austin: University of Texas Press, 1969. https://hdl.handle.net/2027/uva.x000908468.

Nash, Manning. "3. Guatemalan Highlands." In Ethnology, Part 1, edited by Robert Wauchope and Evon Z. Vogt, 30. Vol. 7 of Handbook of Middle American Indians. Austin: University of Texas Press, 1969. https://hdl.handle.net/2027/uva.x000908468.