National Center for Transportation Studies. (2008). EST casebook: Leading practices of Philippine cities on environmentally sustainable transport (EST). National Center for Transportation Studies.
Citação norma ChicagoNational Center for Transportation Studies. EST Casebook: Leading Practices of Philippine Cities on Environmentally Sustainable Transport (EST). Quezon City: National Center for Transportation Studies, 2008.
Citação norma MLANational Center for Transportation Studies. EST Casebook: Leading Practices of Philippine Cities on Environmentally Sustainable Transport (EST). National Center for Transportation Studies, 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.