| https://artsciportal.wustl.edu/sites/artsciportal.wustl.edu/files/webform/webform_12806/_sid_/%7B%25%25%24jetblue-%24%24air-%24%24tel%C3%A9fono-%24%24%24%7D-%C2%BFc%C3%B3mo-hablo-con-un-agente-de-jetblue_.pdf |
| https://www.goodreads.com/quotes/14404471-para-hablar-con-alguien-de-jetblue-llama-al-1-787-931-7935-este |
| https://sdfdd.zohodesk.com/portal/en/kb/articles/frontier-c%C3%B3mo-hablo-con-un-representante-de-frontier-en-espa%C3%B1ol |
| https://sites.google.com/view/frontier-telefono-pr/ |