Writing in Central Mexico: In Tlilli, In Tlapalli before A.D. 1000〉. Richard A. Diehl; Janet Catherine Berlo. 《Mesoamerica after the Decline of Teotihuacan
도시 목록 National Population Council (CONAPO) — official website. (스페인어) National Institute of Statistics and Geography (INEGI) — official website. (스페인어)
Growing Mental Health Effects of COVID-19 for Young Adults”. 《healthcentral》. Web. 2020년 11월 19일에 확인함. 지원되지 않는 변수 무시됨: |name-list-style= (도움말) “The ACT Test