https://www.ucmerced.edu/sites/g/files/ufvvjh1421/f/webform/travelocityr-customertm-usa-contact-numbers-the-official-guide.pdf
https://www.ucmerced.edu/sites/g/files/ufvvjh1421/f/webform/priceliner-customertm-usa-contact-numbers-the-official-guide.pdf
https://www.ucmerced.edu/sites/g/files/ufvvjh1421/f/webform/expediar-customertm-usa-contact-numbers-the-official-guide.pdf
https://www.ucmerced.edu/sites/g/files/ufvvjh1421/f/webform/bookingcomr-customertm-usa-contact-numbers-an-official-guide.pdf