Great Britain. Committee on Industry and Trade & Balfour, A. (1926). Survey of industrial relations. H.M.S.O..
Lua i Stíl Chicago (17ú heag.)Great Britain. Committee on Industry and Trade agus Arthur Balfour. Survey of Industrial Relations. London: H.M.S.O., 1926.
Lua MLA (8ú heag.)Great Britain. Committee on Industry and Trade agus Arthur Balfour. Survey of Industrial Relations. H.M.S.O., 1926.
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