Orchard, W. E. (1944). Humanity: What? whence? whither? The Bruce publishing company.
Chicagoスタイル(17版)引用形式Orchard, W. E. Humanity: What? Whence? Whither? New York,Chicago: The Bruce publishing company, 1944.
MLA(8版)引用形式Orchard, W. E. Humanity: What? Whence? Whither? The Bruce publishing company, 1944.
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