MacDermot, E. T. (1964). History of the Great Western Railway (1st revised ed.). Ian Allan.
Lua i Stíl Chicago (17ú heag.)MacDermot, E. T. History of the Great Western Railway. 1st revised ed. London: Ian Allan, 1964.
Lua MLA (8ú heag.)MacDermot, E. T. History of the Great Western Railway. 1st revised ed. Ian Allan, 1964.
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