Browder, G., & Xie, S. (2007). Stepping up: Improving the performance of China's urban water utilities. World Bank.
Cita Chicago (17th ed.)Browder, Greg, i Shiqing Xie. Stepping Up: Improving the Performance of China's Urban Water Utilities. Washington, DC: World Bank, 2007.
Cita MLA (9th ed.)Browder, Greg, i Shiqing Xie. Stepping Up: Improving the Performance of China's Urban Water Utilities. World Bank, 2007.