"PLAZA LA CONCEPCIÓN TLAXCOAQUE". Mexico City: Ciudad de México Official Website of the Tourism Secretary of Mexico City. Archived from the original on 22 July 2011. Retrieved 14 February 2010.
"PLAZA LA CONCEPCIÓN TLAXCOAQUE". Mexico City: Ciudad de México Official Website of the Tourism Secretary of Mexico City. Archived from the original on 22 July 2011. Retrieved 14 February 2010.