Groom, E. (2006). Explanatory notes on key topics in the regulation of water and sanitation services. Washington: World Bank.
Chicago-tyylinen lähdeviittausGroom, Eric. Explanatory Notes On Key Topics in the Regulation of Water and Sanitation Services. Washington: World Bank, 2006.
MLA-viiteGroom, Eric. Explanatory Notes On Key Topics in the Regulation of Water and Sanitation Services. Washington: World Bank, 2006.
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