Williams, F. S. (1968). Our iron roads: Their history, construction and administration. Frank Cass.
Citace podle Chicago (17th ed.)Williams, Frederick Smeeton. Our Iron Roads: Their History, Construction and Administration. London: Frank Cass, 1968.
Citace podle MLA (8th ed.)Williams, Frederick Smeeton. Our Iron Roads: Their History, Construction and Administration. Frank Cass, 1968.
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