Katko, T. S. (1992). The development of water supply associations in Finland and its significance for developing countries. UNDP-World Bank Water and Sanitation Program.
Citace podle Chicago (17th ed.)Katko, Tapio S. The Development of Water Supply Associations in Finland and Its Significance for Developing Countries. Washington, D.C: UNDP-World Bank Water and Sanitation Program, 1992.
Citace podle MLA (9th ed.)Katko, Tapio S. The Development of Water Supply Associations in Finland and Its Significance for Developing Countries. UNDP-World Bank Water and Sanitation Program, 1992.
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