APA
World Bank, . (1991). Urban policy and economic development. Washington, D. C: World Bank.
Chicago
World Bank, . 1991. Urban policy and economic development. Washington, D. C: World Bank.
Harvard
World Bank, . (1991). Urban policy and economic development. Washington, D. C: World Bank.
MLA
World Bank, . Urban policy and economic development. Washington, D. C: World Bank. 1991.