World Bank. (1972). World Bank operations: Sectoral programs & policies. Published for the International Bank for Reconstruction and Development by the Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)World Bank. World Bank Operations: Sectoral Programs & Policies. Baltimore: Published for the International Bank for Reconstruction and Development by the Johns Hopkins University Press, 1972.
Lua MLA (9ú heag.)World Bank. World Bank Operations: Sectoral Programs & Policies. Published for the International Bank for Reconstruction and Development by the Johns Hopkins University Press, 1972.