APA (7th ed.) Citation

World Bank. (1991). Sample bidding documents: Procurement of works / World Bank. World Bank.

Chicago Style (17th ed.) Citation

World Bank. Sample Bidding Documents: Procurement of Works / World Bank. Washington, D.C.]: World Bank, 1991.

MLA (9th ed.) Citation

World Bank. Sample Bidding Documents: Procurement of Works / World Bank. World Bank, 1991.