World Bank & Koeberle, S. (2005). Conditionality revisited: Concepts, experiences, and lessons. World Bank.
Citazione stile Chigago Style (17a edizione)World Bank e Stefan Koeberle. Conditionality Revisited: Concepts, Experiences, and Lessons. Washington, DC: World Bank, 2005.
Citatione MLA (9a ed.)World Bank e Stefan Koeberle. Conditionality Revisited: Concepts, Experiences, and Lessons. World Bank, 2005.