Carruthers, I. D. (1981). Economic aspects and policy issues in groundwater development.
Citace podle Chicago (17th ed.)Carruthers, Ian D. Economic Aspects and Policy Issues in Groundwater Development. Washington; World Bank, 1981.
Citace podle MLA (9th ed.)Carruthers, Ian D. Economic Aspects and Policy Issues in Groundwater Development. 1981.
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