https://www.egr.msu.edu/decs/sites/default/files/webform/poster_print_request/_sid_/c-mo-llamar-con-un-representante-en-vivo-de-delta-airlines.pdf

https://pressbooks.pub/namecorrection/chapter/20-tested-ways-to-contact-how-can-i-speak-to-someone-at-turkish-airlines-a-total-help-framework/

https://www.egr.msu.edu/decs/sites/default/files/webform/poster_print_request/_sid_/como-habla-con-la-agente-en-vivo-en-delta-airlines.pdf

https://mforum2.cari.com.my/forum.php?mod=viewthread&tid=5452959&extra=

https://forum.elecrow.com/discussion/25425/85-maneras-de-contactar-%E2%80%8B%E2%80%8Bcomo-hablar-con-alguien-en-delta-airlines-una-guia-paso-a-paso/p1?new=1

https://forum.elecrow.com/discussion/25424/15-formas-de-conectarse-instantaneamente-para-llamar-a-un-representante-de-delta-airlines/p1?new=1

https://forum.elecrow.com/discussion/25422/como-conectarse-con-un-agente-en-vivo-en-delta-airlines/p1?new=1

https://www.egr.msu.edu/decs/sites/default/files/webform/poster_print_request/_sid_/11-ways-to-connect-to-live-agent-at-southwest-airlines-through-contact-options-a-complete-step-by-step-guide.pdf

https://forum.elecrow.com/discussion/25421/como-llamar-a-un-agente-en-vivo-en-delta-airlines/p1?new=1

https://www.egr.msu.edu/decs/sites/default/files/webform/poster_print_request/_sid_/seventeen-ways-to-connect-with-a-live-person-at-jetblue-airlines-via-phone-chat-email.pdf