* González Crespo, Norberto, Silvia Garza Tarazona, Hortensia de Vega Nova, Pablo Mayer Guala and Giselle Canto Aguilar (1995) "Archaeological Investigations at Xochicalco, Morelos: 1984 and 1986", "Ancient Mesoamerica" 6:223–236.
* González Crespo, Norberto, Silvia Garza Tarazona, Hortensia de Vega Nova, Pablo Mayer Guala and Giselle Canto Aguilar (1995) «Archaeological Investigations at Xochicalco, Morelos: 1984 and 1986», "Ancient Mesoamerica" 6:223-236.