Jacks, L. (1934). Ethical factors of the present crisis. Baltimore: Williams & Wilkins Company.
シカゴスタイル引用形Jacks, L.P. Ethical Factors of the Present Crisis. Baltimore: Williams & Wilkins Company, 1934.
MLA引用形式Jacks, L.P. Ethical Factors of the Present Crisis. Baltimore: Williams & Wilkins Company, 1934.
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