World Bank. Urban Division\nFederation of Canadian Municipalities\nDutch Ministry of Foreign Affairs\nUnited Nations Development Fund-UNCHS (Habitat) Urban Management Programme. (2019). Urban Age. World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Bank. Urban Division\nFederation of Canadian Municipalities\nDutch Ministry of Foreign Affairs\nUnited Nations Development Fund-UNCHS (Habitat) Urban Management Programme. Urban Age. Washington: World Bank, 2019.
Παραπομπή σε μορφή MLA (8th εκδ.)World Bank. Urban Division\nFederation of Canadian Municipalities\nDutch Ministry of Foreign Affairs\nUnited Nations Development Fund-UNCHS (Habitat) Urban Management Programme. Urban Age. World Bank, 2019.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.