Hobsbawm, E. J. (1975). The age of capital, 1848-1875. Abacus.
Lua i Stíl Chicago (17ú heag.)Hobsbawm, E. J. The Age of Capital, 1848-1875. New York: Abacus, 1975.
Lua MLA (8ú heag.)Hobsbawm, E. J. The Age of Capital, 1848-1875. Abacus, 1975.
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