https://regions-and-cities.europa.eu/sites/default/files/webform/multimedia_center/_sid_/-SCL-telfonochileCmollamaraDeltadesdeChile_airlinesSANTIAGOAyuda.pdf

https://regions-and-cities.europa.eu/sites/default/files/webform/multimedia_center/_sid_/%C9%97%C9%9B%C5%82%CA%88%C9%91-SCL-tel%C3%A9fono%20chile%20%C2%BFC%C3%B3mo%20llamar%20a%20Delta%20desde%20Chile_%20%C9%97%C9%9B%C5%82%CA%88%C9%91%20airlines%20SANTIAGO%20Ayuda.pdf