https://cris.unu.edu/sites/cris.unu.edu/files/webform/thirty-3-ways-to-reach-a-human-at-alaska-airlines-via-email-call-or-chat.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/20-ways-to-reach-alaska-airlines-customer-care-and-speak-to-a-live-agent-via-phone-chat-or-email.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/twenty-six-ways-to-call-and-talk-to-a-human-at-jetblue-airlines-customer-help-center.pdf

https://cris.unu.edu/sites/cris.unu.edu/files/webform/3-ways-to-talk-to-turkish-airlines-real-agent-for-booking-or-flight-help-via-call-chat-or-email.pdf

https://www.martview-forum.com/dev/index.php?threads/42948/

https://cris.unu.edu/sites/cris.unu.edu/files/webform/thirty-two-ways-to-connect-to-turkish-airlines-customer-care-and-speak-to-a-human.pdf

https://www.hipertrofia.org/forum/topic/267524-speak-to-someone-at-jetblue%E2%84%A2%EF%B8%8F-airlines-usa%E2%84%A2-a-step-by-step-support-guide/

https://regions-and-cities.europa.eu/sites/default/files/webform/multimedia_center/_sid_/numeros-telefonos-en-el-mundo-%C2%BFcomo-hablar-con-una-persona-en-american-airlines.pdf

https://www.wikitree.com/wiki/Space:Thirty-9_Ways_To_Reach_How_Do_I_Talk_To_A_Live_Person_At_Expedia%C2%AE_%E2%80%93_A_Comprehesive_Guid

https://www.hipertrofia.org/forum/topic/267531-atenci%C3%B3n-en-vivo-de-westjet-airlines-formas-de-contacto-directo/