Philippine News Agency. (2012). MMDA to build storm water interceptors in flood-prone areas. Daily Tribune.
Chicago-referens (17:e uppl.)Philippine News Agency. "MMDA to Build Storm Water Interceptors in Flood-prone Areas." Daily Tribune 2012.
MLA-referens (9:e uppl.)Philippine News Agency. "MMDA to Build Storm Water Interceptors in Flood-prone Areas." Daily Tribune, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.