World Bank & Koeberle, S. (2005). Conditionality revisited: Concepts, experiences, and lessons. World Bank.
Cita Chicago (17th ed.)World Bank i Stefan Koeberle. Conditionality Revisited: Concepts, Experiences, and Lessons. Washington, DC: World Bank, 2005.
Cita MLA (9th ed.)World Bank i Stefan Koeberle. Conditionality Revisited: Concepts, Experiences, and Lessons. World Bank, 2005.