Calzada, I. (2016). Smart city: Definition & case studies. Oxford Programme for the Future of Cities.
Lua i Stíl Chicago (17ú heag.)Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
Lua MLA (9ú heag.)Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.