Paul, S. (1991). Nongovernmental organizations and the World Bank: Cooperation for Development. World Bank.
Citazione stile Chigago Style (17a edizione)Paul, Samuel. Nongovernmental Organizations and the World Bank: Cooperation for Development. Washington: World Bank, 1991.
Citatione MLA (9a ed.)Paul, Samuel. Nongovernmental Organizations and the World Bank: Cooperation for Development. World Bank, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.