Zeitlin, J. H. (1981). Craft regulation and the division of labour: Engineers and compositors in Britain, 1890-1914.
Lua i Stíl Chicago (17ú heag.)Zeitlin, Jonathan Hart. Craft Regulation and the Division of Labour: Engineers and Compositors in Britain, 1890-1914. 1981.
Lua MLA (8ú heag.)Zeitlin, Jonathan Hart. Craft Regulation and the Division of Labour: Engineers and Compositors in Britain, 1890-1914. 1981.
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