Lua APA (7ú heag.)
Carlevaro, F., & Gonzalez, C. (2015). Costing improved water supply systems for low-income communities: A practical manual. IWA Publishing.
Lua i Stíl Chicago (17ú heag.)
Carlevaro, Fabrizio, agus Cristian Gonzalez. Costing Improved Water Supply Systems for Low-income Communities: A Practical Manual. London, England: IWA Publishing, 2015.
Lua MLA (9ú heag.)
Carlevaro, Fabrizio, agus Cristian Gonzalez. Costing Improved Water Supply Systems for Low-income Communities: A Practical Manual. IWA Publishing, 2015.
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