Arana, U. T. (2000). Are there moral facts and properties?
Chicagoスタイル(17版)引用形式Arana, Ulysses T. Are There Moral Facts and Properties? 2000.
MLA(9版)引用形式Arana, Ulysses T. Are There Moral Facts and Properties? 2000.
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APA(7版)引用形式