APA (7th ed.) Zitazioa

World Bank. Independent Evaluation Group & World Bank. (2014). The World Bank and public procurement: An independent evaluation. The World Bank.

Chicago Style (17th ed.) Zitazioa

World Bank. Independent Evaluation Group eta World Bank. The World Bank and Public Procurement: An Independent Evaluation. Washington, District of Columbia: The World Bank, 2014.

MLA (9th ed.) Zitazioa

World Bank. Independent Evaluation Group eta World Bank. The World Bank and Public Procurement: An Independent Evaluation. The World Bank, 2014.