https://cris.unu.edu/sites/cris.unu.edu/files/webform/9-maneras-de-contactar-con-un-agente-en-vivo-en-american-airlines-una-gu-a-r-pida.pdf
https://cris.unu.edu/sites/cris.unu.edu/files/webform/25-ways-to-contact-to-live-agent-at-emirates-airlines-a-quick-guide.pdf
https://cris.unu.edu/sites/cris.unu.edu/files/webform/43-c-mo-contactar-a-un-humano-en-american-por-tel-fono-chat-o-correo-electr-nico-gu-a-de-ayuda-completa.pdf
https://cris.unu.edu/sites/cris.unu.edu/files/webform/como-con-ctese-con-un-agente-en-vivo-en-american-airlines.pdf