Johnson, L. E. (1991). A morally deep world: An essay on moral significance and environmental ethics.
シカゴスタイル引用形Johnson, Lawrence E. A Morally Deep World: An Essay on Moral Significance and Environmental Ethics. Cambridge, CUP, 1991.
MLA引用形式Johnson, Lawrence E. A Morally Deep World: An Essay on Moral Significance and Environmental Ethics. 1991.
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