| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Lufthansa-Customer-Support-USA-Contact-Numbers-Comprehensive-Guide.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Lufthansa-Support-Contact-Numbers-In-The-USA-The-Ultimate-Official-Users-Guides.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Norse-Atlantic-Airways-Customer-Support-USA-Contact-Numbers-Comprehensive-Guide.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Norse-Atlantic-Airways-Support-Contact-Numbers-In-The-USA-The-Ultimate-Official-Users-Guides.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Qatar-Airways-Customer-Support-USA-Contact-Numbers-Comprehensive-Guide.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Official-Expedia-Support-Contact-Numbers-In-USA-A-Ultimate-Step-By-Step-Guide.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Expedia-Support-Contact-Numbers-In-The-USA-The-Ultimate-Official-Guide.pdf |
| https://academics.otc.edu/media/uploads/sites/30/ninja-forms/4/Complete-List-Of-Official-Expedia-Contact-Numbers-In-The-USA-Full-Detailed-Guide.pdf |
| https://b.cari.com.my/forum.php?mod=viewthread&tid=5491321&extra= |
| https://www.deviantart.com/nanu13112002/art/1240198386?action=published |