Calzada, I. (2016). Smart city: Definition & case studies. Oxford Programme for the Future of Cities.
Cita Chicago (17th ed.)Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
Cita MLA (9th ed.)Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.