Estache, A., & Goicoechea, A. (2005). How widespread were private investment and regulatory reform in infrastructure utilities during the 1990s? World Bank.
Dyfyniad Arddull ChicagoEstache, Antonio, and Ana Goicoechea. How Widespread Were Private Investment and Regulatory Reform in Infrastructure Utilities During the 1990s? Washington, D.C: World Bank, 2005.
Dyfyniad MLAEstache, Antonio, and Ana Goicoechea. How Widespread Were Private Investment and Regulatory Reform in Infrastructure Utilities During the 1990s? World Bank, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.