https://pressbooks.pub/namechangeota/chapter/razones-communes-como-llamar-a-united-airlines-desde-mexico/

https://pressbooks.pub/namechangeota/part/como-llamar-aunida-airlines-en-mexico/

https://pressbooks.pub/namechangeota/chapter/servicio-al-cliente-de-american-airlines-telefonos-y-asistencia-en-espanol/

https://support.google.com/edu/classroom/thread/322834232?hl=en&sjid=4336580412719702156-AP https://support.google.com/edu/classroom/thread/322843745?hl=en&sjid=14280159938069417439-EU https://support.google.com/edu/classroom/thread/322845638?hl=en&sjid=14280159938069417439-EU https://support.google.com/edu/classroom/thread/322855369?hl=en&sjid=14280159938069417439-EU

https://pressbooks.pub/namechangeota/chapter/como-hablar-con-un-agente-de-american-airlines-desde-america-latina/

https://support.google.com/edu/classroom/thread/322834232?hl=en&sjid=4336580412719702156-AP https://support.google.com/edu/classroom/thread/322843745?hl=en&sjid=14280159938069417439-EU https://support.google.com/edu/classroom/thread/322845638?hl=en&sjid=14280159938069417439-EU https://support.google.com/edu/classroom/thread/322855369?hl=en&sjid=14280159938069417439-EU