Bury, J. B. (1924). The idea of progress;: An inquiry into its origin and growth,. Macmillan and Co..
Chicago-referens (17:e uppl.)Bury, J. B. The Idea of Progress;: An Inquiry into Its Origin and Growth,. London,: Macmillan and Co., 1924.
MLA-referens (8:e uppl.)Bury, J. B. The Idea of Progress;: An Inquiry into Its Origin and Growth,. Macmillan and Co., 1924.
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