World Bank, Banerjee, S. G., & Morella, E. (2011). Africa's water and sanitation infrastructure: Access, affordability, and alternatives. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Bank, Sudeshna Ghosh Banerjee, और Elvira Morella. Africa's Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. Washington, D.C.: World Bank, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Bank, et al. Africa's Water and Sanitation Infrastructure: Access, Affordability, and Alternatives. World Bank, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.