Cita APA (7th ed.)
World Bank, ebrary, Inc, Banerjee, S. G., & Morella, E. (2011). Africa's water and sanitation infrastructure: Access, affordability, and alternatives. World Bank.
Cita Chicago (17th ed.)
World Bank, Inc ebrary, Sudeshna Ghosh Banerjee, i Elvira Morella. Africa's Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. Washington, D.C.: World Bank, 2011.
Cita MLA (9th ed.)
World Bank, et al. Africa's Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. World Bank, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.