https://www.independent.com/wp-content/uploads/ninja-forms/8/13-best-ways-to-contact-westjet-airlines-customer-service.pdf

https://acfl.net/forums/topic/how-to-get-a-at-live-agent-at-alaska-airlines-in-under-5-minutes/

https://rathena.org/board/topic/146198-18-ways-to-call-to-how-i-speak-to-a-live-agent-at-msc-cruises-instantly/

https://acfl.net/forums/topic/direct-methods-to-contact-a-live-person-at-delta-airlines-official/

https://acfl.net/forums/topic/two-easy-steps-to-connect-with-delta-airlines-live-support-a-complete/

https://rathena.org/board/topic/146199-17-ways-to-call-to-how-i-connect-with-msc-cruises%E2%80%99s-customer-support-team/

https://rathena.org/board/topic/146492-43-maneras-de-contactar-con-un-representante-de-westjet-airlines-consejos-de-soporte-por-correo-electr%C3%B3nico-tel%C3%A9fono-y-chat/

https://acfl.net/forums/topic/fourteen-ways-to-speak-to-a-delta-airlines-representative-a-complete/

https://rathena.org/board/topic/146139-15-ways-to-call-to-how-i-contact-a-live-agent-at-celebrity-cruises-speak-instantly/

https://rathena.org/board/topic/146489-c%C3%B3mo-puedo-llamar-a-westjet-airlines-desde-m%C3%A9xico/