World Bank. (1989). World development report 1989. Published for the World Bank, Oxford University Press.
Lua i Stíl Chicago (17ú heag.)World Bank. World Development Report 1989. New York: Published for the World Bank, Oxford University Press, 1989.
Lua MLA (8ú heag.)World Bank. World Development Report 1989. Published for the World Bank, Oxford University Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.