Simmel, G. (1977). The problems of the Philosophy of History: An epistemological essay. The Free Press.
Style de citation Chicago (17e éd.)Simmel, Georg. The Problems of the Philosophy of History: An Epistemological Essay. The Free Press, 1977.
Style de citation MLA (9e éd.)Simmel, Georg. The Problems of the Philosophy of History: An Epistemological Essay. The Free Press, 1977.
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