Palmer, G. H. (1903). The nature of goodness. Houghton, Mifflin and company.
Chicagoスタイル(17版)引用形式Palmer, George Herbert. The Nature of Goodness. Boston, New York: Houghton, Mifflin and company, 1903.
MLA(8版)引用形式Palmer, George Herbert. The Nature of Goodness. Houghton, Mifflin and company, 1903.
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