World Bank. Operations Evaluation Department, Grasso, P., Wasty, S. S., & Weaving, R. (2003). World Bank Operations Evaluation Department: The first 30 years. World Bank.
Chicago-Zitierstil (17. Ausg.)World Bank. Operations Evaluation Department, Patrick Grasso, Sulaiman S. Wasty, und Rachel Weaving. World Bank Operations Evaluation Department: The First 30 Years. Washington, D.C.: World Bank, 2003.
MLA-Zitierstil (9. Ausg.)World Bank. Operations Evaluation Department, et al. World Bank Operations Evaluation Department: The First 30 Years. World Bank, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.