"The Pre-Columbian Art of West Mexico: Nayarit, Jalisco, Colima" in Sculpture of Ancient West Mexico, Nayarit, Jalisco, Colima, Los Angelese County Museum
Museum of Art, University of New Mexico Press, ISBN 0-8263-1175-x Invalid ISBN, p. 11. The location of Huitzilapa, Teuchitlan, and other features (e.g. borders)