Attfield, R. (1983). The ethics of environmental concern: The ethics of environmental concern. Basil Blackwell.
Citazione stile Chigago Style (17a edizione)Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Oxford: Basil Blackwell, 1983.
Citatione MLA (9a ed.)Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Basil Blackwell, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.