Crisp, Roger. Well-Being. Zalta, Edward N. (编). The Stanford Encyclopedia of Philosophy Winter 2021. Metaphysics Research Lab, Stanford University. 2021 [2023-04-04]. (原始内容存档于2023-04-04).
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Crisp, Roger. Well-Being. Zalta, Edward N. (编). The Stanford Encyclopedia of Philosophy Winter 2021. Metaphysics Research Lab, Stanford University. 2021 [2023-04-04]. (原始内容存档于2023-04-04).