Sayres, A. W. F. (1910). State Sickness and Invalidity Insurance.
シカゴスタイル引用形Sayres, A. W. Fortescue. State Sickness and Invalidity Insurance. 1910.
MLA引用形式Sayres, A. W. Fortescue. State Sickness and Invalidity Insurance. 1910.
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