World Bank & Koeberle, S. (2005). Conditionality revisited: Concepts, experiences, and lessons. World Bank.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումWorld Bank and Stefan Koeberle. Conditionality Revisited: Concepts, Experiences, and Lessons. Washington, DC: World Bank, 2005.
MLA (9րդ խմբ.) ՄեջբերումWorld Bank and Stefan Koeberle. Conditionality Revisited: Concepts, Experiences, and Lessons. World Bank, 2005.