Olson, Jan Marie; Smith, Michael E. (2016). „Material Expressions of Wealth and Social Class at Aztec-Period Sites in Morelos, Mexico“. Ancient Mesoamerica (inglizcha). 27-jild, № 1. 133–147-bet. doi:10.1017/S0956536115000334. ISSN0956-5361.
Olson, Jan Marie; Smith, Michael E. (2016). „Material Expressions of Wealth and Social Class at Aztec-Period Sites in Morelos, Mexico“. Ancient Mesoamerica (inglizcha). 27-jild, № 1. 133–147-bet. doi:10.1017/S0956536115000334. ISSN0956-5361.