Burn, D. L. (1940). The economic history of steel-making 1867-1939: A study in competition. London: Cambridge at the University press.
Styl ChicagoBurn, D. L. The Economic History of Steel-making 1867-1939: A Study in Competition. London: Cambridge at the University press, 1940.
Citace podle MLABurn, D. L. The Economic History of Steel-making 1867-1939: A Study in Competition. London: Cambridge at the University press, 1940.
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