Workshop on the State of the Art and Application of Handpumps and on Water Supply and Sanitation Changsha, Hunan Sheng, China, China. Chi hsieh kung yeh pu, United Nations Development Programme, World Bank, Tschannerl, G., & Bryan, K. (1985). Handpumps testing and development: Proceedings of a workshop in China. World Bank.
Cita Chicago (17th ed.)Workshop on the State of the Art and Application of Handpumps and on Water Supply and Sanitation Changsha, Hunan Sheng, China, China. Chi hsieh kung yeh pu, United Nations Development Programme, World Bank, Gerhard Tschannerl, i Kedar Bryan. Handpumps Testing and Development: Proceedings of a Workshop in China. Washington, D.C: World Bank, 1985.
Cita MLA (9th ed.)Workshop on the State of the Art and Application of Handpumps and on Water Supply and Sanitation Changsha, Hunan Sheng, China, et al. Handpumps Testing and Development: Proceedings of a Workshop in China. World Bank, 1985.