Okidegbe, N. (1997). Fostering sustainable development: The sector investment program. World Bank.
芝加哥风格引文Okidegbe, Nwanze. Fostering Sustainable Development: The Sector Investment Program. Washington, D.C.: World Bank, 1997.
MLA引文Okidegbe, Nwanze. Fostering Sustainable Development: The Sector Investment Program. World Bank, 1997.
警告：这些引文格式不一定是100％准确.