Cita APA (7th ed.)

World Bank, Banerjee, S. G., & Morella, E. (2011). Africa's water and sanitation infrastructure: Access, affordability, and alternatives. World Bank.

Cita Chicago (17th ed.)

World Bank, 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.