Bonham, J. M. (1890). Railway secrecy and trusts. G.P. Putnam's Sons.
Lua i Stíl Chicago (17ú heag.)Bonham, John Milton. Railway Secrecy and Trusts. New York & London: G.P. Putnam's Sons, 1890.
Lua MLA (8ú heag.)Bonham, John Milton. Railway Secrecy and Trusts. G.P. Putnam's Sons, 1890.
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