Johnson, L. E. (1993). Morally deep world: An essay on moral significance and environmental ethics.
Chicago Style aipamenaJohnson, Lawrence E. Morally Deep World: An Essay on Moral Significance and Environmental Ethics. Cambridge, Cambridge University Press, 1993.
MLA aipamenaJohnson, Lawrence E. Morally Deep World: An Essay on Moral Significance and Environmental Ethics. 1993.
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