Woodsworth, D. E. (1977). Social security and national policy. London: McGill-queen's University Press.
Trích dẫn kiểu ChicagoWoodsworth, David E. Social Security and National Policy. London: McGill-queen's University Press, 1977.
Deismireacht MLAWoodsworth, David E. Social Security and National Policy. London: McGill-queen's University Press, 1977.
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