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