Becker, Marshall Joseph. 1983. Indications of Social Class Differences based on the Archeological Evidence for Occupational Specialization among the Classic Maya at Tikal, Guatemala. Revista Española de Antropología Americana, 29. Recuperado 8 de diciembre de 2025 a partir de https://revistas.ucm.es/index.php/REAA/article/view/REAA8383110029A