Clegg, H. (1950). Labour relations in London Transport. Oxford: Basil Blackwell.
Lua i Stíl Chicago (17ú heag.)Clegg, H.A. Labour Relations in London Transport. Oxford: Basil Blackwell, 1950.
Lua MLA (8ú heag.)Clegg, H.A. Labour Relations in London Transport. Oxford: Basil Blackwell, 1950.
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