World Bank. (1986). World development report 1986. published for the World Bank, Oxford University Press.
Dyfyniad Arddull ChicagoWorld Bank. World Development Report 1986. New York: published for the World Bank, Oxford University Press, 1986.
Dyfyniad MLAWorld Bank. World Development Report 1986. published for the World Bank, Oxford University Press, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.