Sanggunian

http://media.philstar.com/images/the-philippine-star/headlines/20140820/DOTC-on-MRT-mishaps-5.jpg

http://media.philstar.com/images/the-philippine-star/nation/20140819/MRT-train-mishap-pasay-city.jpg

http://newsinfo.inquirer.net/files/2014/04/MRT-crowd.jpg

http://www.rappler.com/views/imho/93152-manila-mrt-awesome
http://www.philstar.com/metro/2016/12/18/1654420/mrt-3-trains-break-down-anew
http://cnnphilippines.com/videos/2017/04/24/LRT-1-MRT-break-down-again.html
http://www.rappler.com/nation/95900-mrt-glitches-breakdown-worse