Foster John & Edited by Foster , J. (1997). Valuing nature?: Ethics, economics and the environment. Routledge.
Citace podle Chicago (17th ed.)Foster John a John Edited by Foster. Valuing Nature?: Ethics, Economics and the Environment. London: Routledge, 1997.
Citace podle MLA (9th ed.)Foster John a John Edited by Foster. Valuing Nature?: Ethics, Economics and the Environment. Routledge, 1997.
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