Himmelmann, B., & Louden, R. B. (2015). Why be moral? De Gruyter.
Chicagoスタイル(17版)引用形式Himmelmann, Beatrix, , Robert B. Louden. Why Be Moral? Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2015.
MLA(9版)引用形式Himmelmann, Beatrix, , Robert B. Louden. Why Be Moral? De Gruyter, 2015.
警告: この引用は必ずしも正確ではありません.