Organisation for Economic Co-operation and Development. (1990). Progress in structural reform. Paris: Organisation for Economic Co-operation and Development.
Dyfyniad Arddull ChicagoOrganisation for Economic Co-operation and Development. Progress in Structural Reform. Paris: Organisation for Economic Co-operation and Development, 1990.
Dyfyniad MLAOrganisation for Economic Co-operation and Development. Progress in Structural Reform. Paris: Organisation for Economic Co-operation and Development, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.