World Bank, Banerjee, S. G., & Morella, E. (2011). Africa's water and sanitation infrastructure: Access, affordability, and alternatives. World Bank.
Style de citation Chicago (17e éd.)World Bank, Sudeshna Ghosh Banerjee, et Elvira Morella. Africa's Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. Washington, D.C.: World Bank, 2011.
Style de citation MLA (9e éd.)World Bank, et al. Africa's Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. World Bank, 2011.
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