Cowherd, R. G. (1956). The humanitarians and the ten hour movement in England. Baker Library, Harvard Graduate School of Business Administration.
Chicago-referens (17:e uppl.)Cowherd, Raymond Gibson. The Humanitarians and the Ten Hour Movement in England. Boston, Mass.: Baker Library, Harvard Graduate School of Business Administration, 1956.
MLA-referens (8:e uppl.)Cowherd, Raymond Gibson. The Humanitarians and the Ten Hour Movement in England. Baker Library, Harvard Graduate School of Business Administration, 1956.
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