Warren, K. (1973). The American steel industry 1850-1970: A geographical interpretation. Oxford: Clarendon.
Chicago Stili AlıntıWarren, Kenneth. The American Steel Industry 1850-1970: A Geographical Interpretation. Oxford: Clarendon, 1973.
MLA AlıntıWarren, Kenneth. The American Steel Industry 1850-1970: A Geographical Interpretation. Oxford: Clarendon, 1973.
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