Dyfyniad APA

World Bank. (1987). World development report 1987. published for the World Bank, Oxford University Press.

Dyfyniad Arddull Chicago

World Bank. World Development Report 1987. New York: published for the World Bank, Oxford University Press, 1987.

Dyfyniad MLA

World Bank. World Development Report 1987. published for the World Bank, Oxford University Press, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.