APA aipamena

Okidegbe, N. (1997). Fostering sustainable development: The sector investment program. World Bank.

Chicago Style aipamena

Okidegbe, Nwanze. Fostering Sustainable Development: The Sector Investment Program. Washington, D.C.: World Bank, 1997.

MLA aipamena

Okidegbe, Nwanze. Fostering Sustainable Development: The Sector Investment Program. World Bank, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.