| https://artsciportal.wustl.edu/sites/artsciportal.wustl.edu/files/webform/webform_12806/_sid_/%7B%E2%9C%88-%C2%B6%7B_%26%5E%2B-telefono%5E~-frontier~%29_%26%5E%25%7D%E2%9C%88_%26%5E%25-%C2%B6%7D-%C2%BFc%C3%B3mo-hablo-con-un-representante-de-frontier-en-espa%C3%B1ol_.pdf |
| https://sdfdd.zohodesk.com/portal/en/kb/articles/jetblue-c%C3%B3mo-hablo-con-alguien-en-jetblue |
| https://artsciportal.wustl.edu/sites/artsciportal.wustl.edu/files/webform/webform_12806/_sid_/%7B%23%7D787%7B%26%5E%25%24%7B%23%7D_jetblue_%26%7B%23%7D%24%25%5E%5D%21%21%C2%BFc%C3%B3mo-hablo-con-alguien-en-jetblue_.pdf |
| https://artsciportal.wustl.edu/sites/artsciportal.wustl.edu/files/webform/webform_12806/_sid_/%7B_%5E_%26%5E%25%5Etelefono%5E%23%24%25%5E%26%5E7035%5E%40%23%24%25%5E%5E_%7D-%C2%BFc%C3%B3mo-puedo-hablar-con-un-agente-de-frontier-en-espa%C3%B1ol_.pdf |
| https://www.goodreads.com/quotes/14401497-c-mo-hablar-con-un-agente-de-frontier-para-hablar-con |
