The Worldbank. (2005). Public services delivery. Washington: The World Bank.
Dyfyniad Arddull ChicagoThe Worldbank. Public Services Delivery. Washington: The World Bank, 2005.
Dyfyniad MLAThe Worldbank. Public Services Delivery. Washington: The World Bank, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.