PMID 29398723. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5794227/. Template:Immigration to the United States Template:Demographicsof the United States
“Demografía de la Delegación Iztacalco” [Demographicsof the Borough of Iztacalco] (Spanish). Mexico City: Borough of Iztacalco. October 30, 2011閲覧。 ^ a b