Attfield, R. (1983). The ethics of environmental concern: The ethics of environmental concern. Basil Blackwell.
Chicago-viite (17. p.)Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Oxford: Basil Blackwell, 1983.
MLA-viite (9. p.)Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Basil Blackwell, 1983.
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