de Groot, R. (1992). Functions of nature: Evaluation of nature in environmental planning, management and decision making. World Bank.
Citace podle Chicago (17th ed.)de Groot, R.S. Functions of Nature: Evaluation of Nature in Environmental Planning, Management and Decision Making. Wolters-Noordhoff: World Bank, 1992.
Citace podle MLA (9th ed.)de Groot, R.S. Functions of Nature: Evaluation of Nature in Environmental Planning, Management and Decision Making. World Bank, 1992.
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