World Bank. (2006). Infrastructure at the crossroads: Lessons from 20 years of World Bank experience. World Bank.
Chicago-viite (17. p.)World Bank. Infrastructure at the Crossroads: Lessons from 20 Years of World Bank Experience. Washington, D.C.: World Bank, 2006.
MLA-viite (9. p.)World Bank. Infrastructure at the Crossroads: Lessons from 20 Years of World Bank Experience. World Bank, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.