SIMON, W. European Positism In The Nineteenth Century An Essay In Intellectual History W.m. Simon. Curmell University Press.
Lua i Stíl Chicago (17ú heag.)SIMON, W.M. European Positism In The Nineteenth Century An Essay In Intellectual History W.m. Simon. Curmell University Press.
Lua MLA (8ú heag.)SIMON, W.M. European Positism In The Nineteenth Century An Essay In Intellectual History W.m. Simon. Curmell University Press.
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