World urbanization prospects. New York, NY.
Dyfyniad Arddull ChicagoWorld Urbanization Prospects. New York, NY.
Dyfyniad MLAWorld Urbanization Prospects. New York, NY.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
World urbanization prospects. New York, NY.
Dyfyniad Arddull ChicagoWorld Urbanization Prospects. New York, NY.
Dyfyniad MLAWorld Urbanization Prospects. New York, NY.