Calzada, I. (2016). Smart city: Definition & case studies. Oxford Programme for the Future of Cities.
Čikaški stil citiranja (17. izdanje)Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
MLA način citiranja (9. izdanje)Calzada, I. Smart City: Definition & Case Studies. Oxford Programme for the Future of Cities, 2016.
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