APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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