運輸省 (フィリピン)
“Dutertenomics: ‘Golden age of infrastructure’” (英語). Inquirer.net. https://newsinfo.inquirer.net/890225/dutertenomics-golden-age-of-infrastructure 2017年11月6日閲覧。
↑ Cordero, Ted (2018年8月2日). “DOTr to kick-off Mega Manila Subway construction in December”. GMA News Online. https://www.gmanetwork.com/news/money/economy/662657/dotr-to-kick-off-mega-manila-subway-construction-in-december/story/
↑ Dela Paz, Chrisee (2017年6月25日). “17 stations of Manila-Clark Railway announced”. Rappler. https://www.rappler.